40192620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^2$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 121732464

約数和(自身を除く): 81539844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 227, 260, 390, 454, 681, 780, 908, 1135, 1362, 2270, 2724, 2951, 3405, 4540, 5902, 6810, 8853, 11804, 13620, 14755, 17706, 29510, 35412, 44265, 51529, 59020, 88530, 103058, 154587, 177060, 206116, 257645, 309174, 515290, 618348, 669877, 772935, 1030580, 1339754, 1545870, 2009631, 2679508, 3091740, 3349385, 4019262, 6698770, 8038524, 10048155, 13397540, 20096310, 40192620]

約数ペア:

[(1, 40192620), (2, 20096310), (3, 13397540), (4, 10048155), (5, 8038524), (6, 6698770), (10, 4019262), (12, 3349385), (13, 3091740), (15, 2679508), (20, 2009631), (26, 1545870), (30, 1339754), (39, 1030580), (52, 772935), (60, 669877), (65, 618348), (78, 515290), (130, 309174), (156, 257645), (195, 206116), (227, 177060), (260, 154587), (390, 103058), (454, 88530), (681, 59020), (780, 51529), (908, 44265), (1135, 35412), (1362, 29510), (2270, 17706), (2724, 14755), (2951, 13620), (3405, 11804), (4540, 8853), (5902, 6810)]