87974680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30977}}^1$

素因数の和:31059

約数の個数: 32

約数和(自身を含む): 200737440

約数和(自身を除く): 112762760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 30977, 61954, 123908, 154885, 247816, 309770, 619540, 1239080, 2199367, 4398734, 8797468, 10996835, 17594936, 21993670, 43987340, 87974680]

約数ペア:

[(1, 87974680), (2, 43987340), (4, 21993670), (5, 17594936), (8, 10996835), (10, 8797468), (20, 4398734), (40, 2199367), (71, 1239080), (142, 619540), (284, 309770), (355, 247816), (568, 154885), (710, 123908), (1420, 61954), (2840, 30977)]