164087120

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{6553}}^1$

素因数の和:6879

約数の個数: 40

約数和(自身を含む): 382779816

約数和(自身を除く): 218692696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1565, 2504, 3130, 5008, 6260, 6553, 12520, 13106, 25040, 26212, 32765, 52424, 65530, 104848, 131060, 262120, 524240, 2051089, 4102178, 8204356, 10255445, 16408712, 20510890, 32817424, 41021780, 82043560, 164087120]

約数ペア:

[(1, 164087120), (2, 82043560), (4, 41021780), (5, 32817424), (8, 20510890), (10, 16408712), (16, 10255445), (20, 8204356), (40, 4102178), (80, 2051089), (313, 524240), (626, 262120), (1252, 131060), (1565, 104848), (2504, 65530), (3130, 52424), (5008, 32765), (6260, 26212), (6553, 25040), (12520, 13106)]