4517720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2131}}^1$

素因数の和:2195

約数の個数: 32

約数和(自身を含む): 10361520

約数和(自身を除く): 5843800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 2131, 4262, 8524, 10655, 17048, 21310, 42620, 85240, 112943, 225886, 451772, 564715, 903544, 1129430, 2258860, 4517720]

約数ペア:

[(1, 4517720), (2, 2258860), (4, 1129430), (5, 903544), (8, 564715), (10, 451772), (20, 225886), (40, 112943), (53, 85240), (106, 42620), (212, 21310), (265, 17048), (424, 10655), (530, 8524), (1060, 4262), (2120, 2131)]