64021040

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2953}}^1$

素因数の和:3237

約数の個数: 40

約数和(自身を含む): 149448768

約数和(自身を除く): 85427728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 2953, 4336, 5420, 5906, 10840, 11812, 14765, 21680, 23624, 29530, 47248, 59060, 118120, 236240, 800263, 1600526, 3201052, 4001315, 6402104, 8002630, 12804208, 16005260, 32010520, 64021040]

約数ペア:

[(1, 64021040), (2, 32010520), (4, 16005260), (5, 12804208), (8, 8002630), (10, 6402104), (16, 4001315), (20, 3201052), (40, 1600526), (80, 800263), (271, 236240), (542, 118120), (1084, 59060), (1355, 47248), (2168, 29530), (2710, 23624), (2953, 21680), (4336, 14765), (5420, 11812), (5906, 10840)]