65512120

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{15901}}^1$

素因数の和:16015

約数の個数: 32

約数和(自身を含む): 148842720

約数和(自身を除く): 83330600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 15901, 31802, 63604, 79505, 127208, 159010, 318020, 636040, 1637803, 3275606, 6551212, 8189015, 13102424, 16378030, 32756060, 65512120]

約数ペア:

[(1, 65512120), (2, 32756060), (4, 16378030), (5, 13102424), (8, 8189015), (10, 6551212), (20, 3275606), (40, 1637803), (103, 636040), (206, 318020), (412, 159010), (515, 127208), (824, 79505), (1030, 63604), (2060, 31802), (4120, 15901)]