8903960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17123}}^1$

素因数の和:17147

約数の個数: 32

約数和(自身を含む): 21576240

約数和(自身を除く): 12672280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 17123, 34246, 68492, 85615, 136984, 171230, 222599, 342460, 445198, 684920, 890396, 1112995, 1780792, 2225990, 4451980, 8903960]

約数ペア:

[(1, 8903960), (2, 4451980), (4, 2225990), (5, 1780792), (8, 1112995), (10, 890396), (13, 684920), (20, 445198), (26, 342460), (40, 222599), (52, 171230), (65, 136984), (104, 85615), (130, 68492), (260, 34246), (520, 17123)]