66928040

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{2539}}^1$

素因数の和:3209

約数の個数: 32

約数和(自身を含む): 150876000

約数和(自身を除く): 83947960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2539, 2636, 3295, 5078, 5272, 6590, 10156, 12695, 13180, 20312, 25390, 26360, 50780, 101560, 1673201, 3346402, 6692804, 8366005, 13385608, 16732010, 33464020, 66928040]

約数ペア:

[(1, 66928040), (2, 33464020), (4, 16732010), (5, 13385608), (8, 8366005), (10, 6692804), (20, 3346402), (40, 1673201), (659, 101560), (1318, 50780), (2539, 26360), (2636, 25390), (3295, 20312), (5078, 13180), (5272, 12695), (6590, 10156)]