40294020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51659}}^1$

素因数の和:51684

約数の個数: 48

約数和(自身を含む): 121504320

約数和(自身を除く): 81210300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 51659, 103318, 154977, 206636, 258295, 309954, 516590, 619908, 671567, 774885, 1033180, 1343134, 1549770, 2014701, 2686268, 3099540, 3357835, 4029402, 6715670, 8058804, 10073505, 13431340, 20147010, 40294020]

約数ペア:

[(1, 40294020), (2, 20147010), (3, 13431340), (4, 10073505), (5, 8058804), (6, 6715670), (10, 4029402), (12, 3357835), (13, 3099540), (15, 2686268), (20, 2014701), (26, 1549770), (30, 1343134), (39, 1033180), (52, 774885), (60, 671567), (65, 619908), (78, 516590), (130, 309954), (156, 258295), (195, 206636), (260, 154977), (390, 103318), (780, 51659)]