64506040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{52021}}^1$

素因数の和:52063

約数の個数: 32

約数和(自身を含む): 149823360

約数和(自身を除く): 85317320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 52021, 104042, 208084, 260105, 416168, 520210, 1040420, 1612651, 2080840, 3225302, 6450604, 8063255, 12901208, 16126510, 32253020, 64506040]

約数ペア:

[(1, 64506040), (2, 32253020), (4, 16126510), (5, 12901208), (8, 8063255), (10, 6450604), (20, 3225302), (31, 2080840), (40, 1612651), (62, 1040420), (124, 520210), (155, 416168), (248, 260105), (310, 208084), (620, 104042), (1240, 52021)]