40101620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1733}}^1$

素因数の和:1844

約数の個数: 48

約数和(自身を含む): 91763280

約数和(自身を除く): 51661660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1733, 1780, 2314, 3466, 4628, 5785, 6932, 8665, 11570, 17330, 22529, 23140, 34660, 45058, 90116, 112645, 154237, 225290, 308474, 450580, 616948, 771185, 1542370, 2005081, 3084740, 4010162, 8020324, 10025405, 20050810, 40101620]

約数ペア:

[(1, 40101620), (2, 20050810), (4, 10025405), (5, 8020324), (10, 4010162), (13, 3084740), (20, 2005081), (26, 1542370), (52, 771185), (65, 616948), (89, 450580), (130, 308474), (178, 225290), (260, 154237), (356, 112645), (445, 90116), (890, 45058), (1157, 34660), (1733, 23140), (1780, 22529), (2314, 17330), (3466, 11570), (4628, 8665), (5785, 6932)]