20152652360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{2539}}^1$

素因数の和:2791

約数の個数: 128

約数和(自身を含む): 48368102400

約数和(自身を除く): 28215450040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 173, 185, 248, 296, 310, 346, 370, 620, 692, 740, 865, 1147, 1240, 1384, 1480, 1730, 2294, 2539, 3460, 4588, 5078, 5363, 5735, 6401, 6920, 9176, 10156, 10726, 11470, 12695, 12802, 20312, 21452, 22940, 25390, 25604, 26815, 32005, 42904, 45880, 50780, 51208, 53630, 64010, 78709, 93943, 101560, 107260, 128020, 157418, 187886, 198431, 214520, 256040, 314836, 375772, 393545, 396862, 439247, 469715, 629672, 751544, 787090, 793724, 878494, 939430, 992155, 1574180, 1587448, 1756988, 1878860, 1984310, 2196235, 2912233, 3148360, 3513976, 3757720, 3968620, 4392470, 5824466, 7937240, 8784940, 11648932, 13616657, 14561165, 16252139, 17569880, 23297864, 27233314, 29122330, 32504278, 54466628, 58244660, 65008556, 68083285, 81260695, 108933256, 116489320, 130017112, 136166570, 162521390, 272333140, 325042780, 503816309, 544666280, 650085560, 1007632618, 2015265236, 2519081545, 4030530472, 5038163090, 10076326180, 20152652360]

約数ペア:

[(1, 20152652360), (2, 10076326180), (4, 5038163090), (5, 4030530472), (8, 2519081545), (10, 2015265236), (20, 1007632618), (31, 650085560), (37, 544666280), (40, 503816309), (62, 325042780), (74, 272333140), (124, 162521390), (148, 136166570), (155, 130017112), (173, 116489320), (185, 108933256), (248, 81260695), (296, 68083285), (310, 65008556), (346, 58244660), (370, 54466628), (620, 32504278), (692, 29122330), (740, 27233314), (865, 23297864), (1147, 17569880), (1240, 16252139), (1384, 14561165), (1480, 13616657), (1730, 11648932), (2294, 8784940), (2539, 7937240), (3460, 5824466), (4588, 4392470), (5078, 3968620), (5363, 3757720), (5735, 3513976), (6401, 3148360), (6920, 2912233), (9176, 2196235), (10156, 1984310), (10726, 1878860), (11470, 1756988), (12695, 1587448), (12802, 1574180), (20312, 992155), (21452, 939430), (22940, 878494), (25390, 793724), (25604, 787090), (26815, 751544), (32005, 629672), (42904, 469715), (45880, 439247), (50780, 396862), (51208, 393545), (53630, 375772), (64010, 314836), (78709, 256040), (93943, 214520), (101560, 198431), (107260, 187886), (128020, 157418)]