66365680

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{7753}}^1$

素因数の和:7873

約数の個数: 40

約数和(自身を含む): 155762352

約数和(自身を除く): 89396672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 7753, 8560, 15506, 31012, 38765, 62024, 77530, 124048, 155060, 310120, 620240, 829571, 1659142, 3318284, 4147855, 6636568, 8295710, 13273136, 16591420, 33182840, 66365680]

約数ペア:

[(1, 66365680), (2, 33182840), (4, 16591420), (5, 13273136), (8, 8295710), (10, 6636568), (16, 4147855), (20, 3318284), (40, 1659142), (80, 829571), (107, 620240), (214, 310120), (428, 155060), (535, 124048), (856, 77530), (1070, 62024), (1712, 38765), (2140, 31012), (4280, 15506), (7753, 8560)]