2021540975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{26573}}^1$

素因数の和:26779

約数の個数: 24

約数和(自身を含む): 2669092560

約数和(自身を除く): 647551585

約数列:

[1, 5, 17, 25, 85, 179, 425, 895, 3043, 4475, 15215, 26573, 76075, 132865, 451741, 664325, 2258705, 4756567, 11293525, 23782835, 80861639, 118914175, 404308195, 2021540975]

約数ペア:

[(1, 2021540975), (5, 404308195), (17, 118914175), (25, 80861639), (85, 23782835), (179, 11293525), (425, 4756567), (895, 2258705), (3043, 664325), (4475, 451741), (15215, 132865), (26573, 76075)]