101271640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61751}}^1$

素因数の和:61803

約数の個数: 32

約数和(自身を含む): 233422560

約数和(自身を除く): 132150920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 61751, 123502, 247004, 308755, 494008, 617510, 1235020, 2470040, 2531791, 5063582, 10127164, 12658955, 20254328, 25317910, 50635820, 101271640]

約数ペア:

[(1, 101271640), (2, 50635820), (4, 25317910), (5, 20254328), (8, 12658955), (10, 10127164), (20, 5063582), (40, 2531791), (41, 2470040), (82, 1235020), (164, 617510), (205, 494008), (328, 308755), (410, 247004), (820, 123502), (1640, 61751)]