8117109520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7804913}}^1$

素因数の和:7804939

約数の個数: 40

約数和(自身を含む): 20323996056

約数和(自身を除く): 12206886536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7804913, 15609826, 31219652, 39024565, 62439304, 78049130, 101463869, 124878608, 156098260, 202927738, 312196520, 405855476, 507319345, 624393040, 811710952, 1014638690, 1623421904, 2029277380, 4058554760, 8117109520]

約数ペア:

[(1, 8117109520), (2, 4058554760), (4, 2029277380), (5, 1623421904), (8, 1014638690), (10, 811710952), (13, 624393040), (16, 507319345), (20, 405855476), (26, 312196520), (40, 202927738), (52, 156098260), (65, 124878608), (80, 101463869), (104, 78049130), (130, 62439304), (208, 39024565), (260, 31219652), (520, 15609826), (1040, 7804913)]