9161620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 20942208

約数和(自身を除く): 11780588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 167, 211, 260, 334, 422, 668, 835, 844, 1055, 1670, 2110, 2171, 2743, 3340, 4220, 4342, 5486, 8684, 10855, 10972, 13715, 21710, 27430, 35237, 43420, 54860, 70474, 140948, 176185, 352370, 458081, 704740, 916162, 1832324, 2290405, 4580810, 9161620]

約数ペア:

[(1, 9161620), (2, 4580810), (4, 2290405), (5, 1832324), (10, 916162), (13, 704740), (20, 458081), (26, 352370), (52, 176185), (65, 140948), (130, 70474), (167, 54860), (211, 43420), (260, 35237), (334, 27430), (422, 21710), (668, 13715), (835, 10972), (844, 10855), (1055, 8684), (1670, 5486), (2110, 4342), (2171, 4220), (2743, 3340)]