65606440

素因数分解:

$2^3\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{1487}}^1$

素因数の和:2601

約数の個数: 32

約数和(自身を含む): 147847680

約数和(自身を除く): 82241240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1103, 1487, 2206, 2974, 4412, 5515, 5948, 7435, 8824, 11030, 11896, 14870, 22060, 29740, 44120, 59480, 1640161, 3280322, 6560644, 8200805, 13121288, 16401610, 32803220, 65606440]

約数ペア:

[(1, 65606440), (2, 32803220), (4, 16401610), (5, 13121288), (8, 8200805), (10, 6560644), (20, 3280322), (40, 1640161), (1103, 59480), (1487, 44120), (2206, 29740), (2974, 22060), (4412, 14870), (5515, 11896), (5948, 11030), (7435, 8824)]