6638960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2677}}^1$

素因数の和:2721

約数の個数: 40

約数和(自身を含む): 15939456

約数和(自身を除く): 9300496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 2677, 5354, 10708, 13385, 21416, 26770, 42832, 53540, 82987, 107080, 165974, 214160, 331948, 414935, 663896, 829870, 1327792, 1659740, 3319480, 6638960]

約数ペア:

[(1, 6638960), (2, 3319480), (4, 1659740), (5, 1327792), (8, 829870), (10, 663896), (16, 414935), (20, 331948), (31, 214160), (40, 165974), (62, 107080), (80, 82987), (124, 53540), (155, 42832), (248, 26770), (310, 21416), (496, 13385), (620, 10708), (1240, 5354), (2480, 2677)]