78839631580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1483}}^1\times {\mathrm{33647}}^1$

素因数の和:35218

約数の個数: 48

約数和(自身を含む): 167777003520

約数和(自身を除く): 88937371940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1483, 1580, 2966, 5932, 7415, 14830, 29660, 33647, 67294, 117157, 134588, 168235, 234314, 336470, 468628, 585785, 672940, 1171570, 2343140, 2658113, 5316226, 10632452, 13290565, 26581130, 49898501, 53162260, 99797002, 199594004, 249492505, 498985010, 997970020, 3941981579, 7883963158, 15767926316, 19709907895, 39419815790, 78839631580]

約数ペア:

[(1, 78839631580), (2, 39419815790), (4, 19709907895), (5, 15767926316), (10, 7883963158), (20, 3941981579), (79, 997970020), (158, 498985010), (316, 249492505), (395, 199594004), (790, 99797002), (1483, 53162260), (1580, 49898501), (2966, 26581130), (5932, 13290565), (7415, 10632452), (14830, 5316226), (29660, 2658113), (33647, 2343140), (67294, 1171570), (117157, 672940), (134588, 585785), (168235, 468628), (234314, 336470)]