25507560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 83825280

約数和(自身を除く): 58317720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 83, 104, 120, 130, 156, 166, 195, 197, 249, 260, 312, 332, 390, 394, 415, 498, 520, 591, 664, 780, 788, 830, 985, 996, 1079, 1182, 1245, 1560, 1576, 1660, 1970, 1992, 2158, 2364, 2490, 2561, 2955, 3237, 3320, 3940, 4316, 4728, 4980, 5122, 5395, 5910, 6474, 7683, 7880, 8632, 9960, 10244, 10790, 11820, 12805, 12948, 15366, 16185, 16351, 20488, 21580, 23640, 25610, 25896, 30732, 32370, 32702, 38415, 43160, 49053, 51220, 61464, 64740, 65404, 76830, 81755, 98106, 102440, 129480, 130808, 153660, 163510, 196212, 212563, 245265, 307320, 327020, 392424, 425126, 490530, 637689, 654040, 850252, 981060, 1062815, 1275378, 1700504, 1962120, 2125630, 2550756, 3188445, 4251260, 5101512, 6376890, 8502520, 12753780, 25507560]

約数ペア:

[(1, 25507560), (2, 12753780), (3, 8502520), (4, 6376890), (5, 5101512), (6, 4251260), (8, 3188445), (10, 2550756), (12, 2125630), (13, 1962120), (15, 1700504), (20, 1275378), (24, 1062815), (26, 981060), (30, 850252), (39, 654040), (40, 637689), (52, 490530), (60, 425126), (65, 392424), (78, 327020), (83, 307320), (104, 245265), (120, 212563), (130, 196212), (156, 163510), (166, 153660), (195, 130808), (197, 129480), (249, 102440), (260, 98106), (312, 81755), (332, 76830), (390, 65404), (394, 64740), (415, 61464), (498, 51220), (520, 49053), (591, 43160), (664, 38415), (780, 32702), (788, 32370), (830, 30732), (985, 25896), (996, 25610), (1079, 23640), (1182, 21580), (1245, 20488), (1560, 16351), (1576, 16185), (1660, 15366), (1970, 12948), (1992, 12805), (2158, 11820), (2364, 10790), (2490, 10244), (2561, 9960), (2955, 8632), (3237, 7880), (3320, 7683), (3940, 6474), (4316, 5910), (4728, 5395), (4980, 5122)]