66193880

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2971}}^1$

素因数の和:3539

約数の個数: 32

約数和(自身を含む): 149253840

約数和(自身を除く): 83059960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2785, 2971, 4456, 5570, 5942, 11140, 11884, 14855, 22280, 23768, 29710, 59420, 118840, 1654847, 3309694, 6619388, 8274235, 13238776, 16548470, 33096940, 66193880]

約数ペア:

[(1, 66193880), (2, 33096940), (4, 16548470), (5, 13238776), (8, 8274235), (10, 6619388), (20, 3309694), (40, 1654847), (557, 118840), (1114, 59420), (2228, 29710), (2785, 23768), (2971, 22280), (4456, 14855), (5570, 11884), (5942, 11140)]