12278480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4951}}^1$

素因数の和:4995

約数の個数: 40

約数和(自身を含む): 29474304

約数和(自身を除く): 17195824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 4951, 9902, 19804, 24755, 39608, 49510, 79216, 99020, 153481, 198040, 306962, 396080, 613924, 767405, 1227848, 1534810, 2455696, 3069620, 6139240, 12278480]

約数ペア:

[(1, 12278480), (2, 6139240), (4, 3069620), (5, 2455696), (8, 1534810), (10, 1227848), (16, 767405), (20, 613924), (31, 396080), (40, 306962), (62, 198040), (80, 153481), (124, 99020), (155, 79216), (248, 49510), (310, 39608), (496, 24755), (620, 19804), (1240, 9902), (2480, 4951)]