28229840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11383}}^1$

素因数の和:11427

約数の個数: 40

約数和(自身を含む): 67757568

約数和(自身を除く): 39527728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11383, 22766, 45532, 56915, 91064, 113830, 182128, 227660, 352873, 455320, 705746, 910640, 1411492, 1764365, 2822984, 3528730, 5645968, 7057460, 14114920, 28229840]

約数ペア:

[(1, 28229840), (2, 14114920), (4, 7057460), (5, 5645968), (8, 3528730), (10, 2822984), (16, 1764365), (20, 1411492), (31, 910640), (40, 705746), (62, 455320), (80, 352873), (124, 227660), (155, 182128), (248, 113830), (310, 91064), (496, 56915), (620, 45532), (1240, 22766), (2480, 11383)]