28958960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11677}}^1$

素因数の和:11721

約数の個数: 40

約数和(自身を含む): 69507456

約数和(自身を除く): 40548496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11677, 23354, 46708, 58385, 93416, 116770, 186832, 233540, 361987, 467080, 723974, 934160, 1447948, 1809935, 2895896, 3619870, 5791792, 7239740, 14479480, 28958960]

約数ペア:

[(1, 28958960), (2, 14479480), (4, 7239740), (5, 5791792), (8, 3619870), (10, 2895896), (16, 1809935), (20, 1447948), (31, 934160), (40, 723974), (62, 467080), (80, 361987), (124, 233540), (155, 186832), (248, 116770), (310, 93416), (496, 58385), (620, 46708), (1240, 23354), (2480, 11677)]