72306040

素因数分解:

$2^3\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1993}}^1$

素因数の和:2911

約数の個数: 32

約数和(自身を含む): 162949680

約数和(自身を除く): 90643640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 907, 1814, 1993, 3628, 3986, 4535, 7256, 7972, 9070, 9965, 15944, 18140, 19930, 36280, 39860, 79720, 1807651, 3615302, 7230604, 9038255, 14461208, 18076510, 36153020, 72306040]

約数ペア:

[(1, 72306040), (2, 36153020), (4, 18076510), (5, 14461208), (8, 9038255), (10, 7230604), (20, 3615302), (40, 1807651), (907, 79720), (1814, 39860), (1993, 36280), (3628, 19930), (3986, 18140), (4535, 15944), (7256, 9965), (7972, 9070)]