2177883920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{21419}}^1$

素因数の和:21504

約数の個数: 80

約数和(自身を含む): 5354657280

約数和(自身を除く): 3176773360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 1240, 1271, 1640, 2480, 2542, 3280, 5084, 6355, 10168, 12710, 20336, 21419, 25420, 42838, 50840, 85676, 101680, 107095, 171352, 214190, 342704, 428380, 663989, 856760, 878179, 1327978, 1713520, 1756358, 2655956, 3319945, 3512716, 4390895, 5311912, 6639890, 7025432, 8781790, 10623824, 13279780, 14050864, 17563580, 26559560, 27223549, 35127160, 53119120, 54447098, 70254320, 108894196, 136117745, 217788392, 272235490, 435576784, 544470980, 1088941960, 2177883920]

約数ペア:

[(1, 2177883920), (2, 1088941960), (4, 544470980), (5, 435576784), (8, 272235490), (10, 217788392), (16, 136117745), (20, 108894196), (31, 70254320), (40, 54447098), (41, 53119120), (62, 35127160), (80, 27223549), (82, 26559560), (124, 17563580), (155, 14050864), (164, 13279780), (205, 10623824), (248, 8781790), (310, 7025432), (328, 6639890), (410, 5311912), (496, 4390895), (620, 3512716), (656, 3319945), (820, 2655956), (1240, 1756358), (1271, 1713520), (1640, 1327978), (2480, 878179), (2542, 856760), (3280, 663989), (5084, 428380), (6355, 342704), (10168, 214190), (12710, 171352), (20336, 107095), (21419, 101680), (25420, 85676), (42838, 50840)]