66499760

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{13627}}^1$

素因数の和:13701

約数の個数: 40

約数和(自身を含む): 157158096

約数和(自身を除く): 90658336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 13627, 27254, 54508, 68135, 109016, 136270, 218032, 272540, 545080, 831247, 1090160, 1662494, 3324988, 4156235, 6649976, 8312470, 13299952, 16624940, 33249880, 66499760]

約数ペア:

[(1, 66499760), (2, 33249880), (4, 16624940), (5, 13299952), (8, 8312470), (10, 6649976), (16, 4156235), (20, 3324988), (40, 1662494), (61, 1090160), (80, 831247), (122, 545080), (244, 272540), (305, 218032), (488, 136270), (610, 109016), (976, 68135), (1220, 54508), (2440, 27254), (4880, 13627)]