69493840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66821}}^1$

素因数の和:66847

約数の個数: 40

約数和(自身を含む): 174004488

約数和(自身を除く): 104510648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 66821, 133642, 267284, 334105, 534568, 668210, 868673, 1069136, 1336420, 1737346, 2672840, 3474692, 4343365, 5345680, 6949384, 8686730, 13898768, 17373460, 34746920, 69493840]

約数ペア:

[(1, 69493840), (2, 34746920), (4, 17373460), (5, 13898768), (8, 8686730), (10, 6949384), (13, 5345680), (16, 4343365), (20, 3474692), (26, 2672840), (40, 1737346), (52, 1336420), (65, 1069136), (80, 868673), (104, 668210), (130, 534568), (208, 334105), (260, 267284), (520, 133642), (1040, 66821)]