40342280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{331}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 99679680

約数和(自身を除く): 59337400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 277, 331, 440, 554, 662, 1108, 1324, 1385, 1655, 2216, 2648, 2770, 3047, 3310, 3641, 5540, 6094, 6620, 7282, 11080, 12188, 13240, 14564, 15235, 18205, 24376, 29128, 30470, 36410, 60940, 72820, 91687, 121880, 145640, 183374, 366748, 458435, 733496, 916870, 1008557, 1833740, 2017114, 3667480, 4034228, 5042785, 8068456, 10085570, 20171140, 40342280]

約数ペア:

[(1, 40342280), (2, 20171140), (4, 10085570), (5, 8068456), (8, 5042785), (10, 4034228), (11, 3667480), (20, 2017114), (22, 1833740), (40, 1008557), (44, 916870), (55, 733496), (88, 458435), (110, 366748), (220, 183374), (277, 145640), (331, 121880), (440, 91687), (554, 72820), (662, 60940), (1108, 36410), (1324, 30470), (1385, 29128), (1655, 24376), (2216, 18205), (2648, 15235), (2770, 14564), (3047, 13240), (3310, 12188), (3641, 11080), (5540, 7282), (6094, 6620)]