69193480

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2617}}^1$

素因数の和:3289

約数の個数: 32

約数和(自身を含む): 155980440

約数和(自身を除く): 86786960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2617, 2644, 3305, 5234, 5288, 6610, 10468, 13085, 13220, 20936, 26170, 26440, 52340, 104680, 1729837, 3459674, 6919348, 8649185, 13838696, 17298370, 34596740, 69193480]

約数ペア:

[(1, 69193480), (2, 34596740), (4, 17298370), (5, 13838696), (8, 8649185), (10, 6919348), (20, 3459674), (40, 1729837), (661, 104680), (1322, 52340), (2617, 26440), (2644, 26170), (3305, 20936), (5234, 13220), (5288, 13085), (6610, 10468)]