68007920

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{7523}}^1$

素因数の和:7649

約数の個数: 40

約数和(自身を含む): 159538896

約数和(自身を除く): 91530976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 7523, 9040, 15046, 30092, 37615, 60184, 75230, 120368, 150460, 300920, 601840, 850099, 1700198, 3400396, 4250495, 6800792, 8500990, 13601584, 17001980, 34003960, 68007920]

約数ペア:

[(1, 68007920), (2, 34003960), (4, 17001980), (5, 13601584), (8, 8500990), (10, 6800792), (16, 4250495), (20, 3400396), (40, 1700198), (80, 850099), (113, 601840), (226, 300920), (452, 150460), (565, 120368), (904, 75230), (1130, 60184), (1808, 37615), (2260, 30092), (4520, 15046), (7523, 9040)]