66326680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{236881}}^1$

素因数の和:236899

約数の個数: 32

約数和(自身を含む): 170555040

約数和(自身を除く): 104228360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 236881, 473762, 947524, 1184405, 1658167, 1895048, 2368810, 3316334, 4737620, 6632668, 8290835, 9475240, 13265336, 16581670, 33163340, 66326680]

約数ペア:

[(1, 66326680), (2, 33163340), (4, 16581670), (5, 13265336), (7, 9475240), (8, 8290835), (10, 6632668), (14, 4737620), (20, 3316334), (28, 2368810), (35, 1895048), (40, 1658167), (56, 1184405), (70, 947524), (140, 473762), (280, 236881)]