57460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:52

約数の個数: 36

約数和(自身を含む): 138348

約数和(自身を除く): 80888

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 338, 340, 442, 676, 845, 884, 1105, 1690, 2210, 2873, 3380, 4420, 5746, 11492, 14365, 28730, 57460]

約数ペア:

[(1, 57460), (2, 28730), (4, 14365), (5, 11492), (10, 5746), (13, 4420), (17, 3380), (20, 2873), (26, 2210), (34, 1690), (52, 1105), (65, 884), (68, 845), (85, 676), (130, 442), (169, 340), (170, 338), (221, 260)]