994230640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{955991}}^1$

素因数の和:956017

約数の個数: 40

約数和(自身を含む): 2489403168

約数和(自身を除く): 1495172528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 955991, 1911982, 3823964, 4779955, 7647928, 9559910, 12427883, 15295856, 19119820, 24855766, 38239640, 49711532, 62139415, 76479280, 99423064, 124278830, 198846128, 248557660, 497115320, 994230640]

約数ペア:

[(1, 994230640), (2, 497115320), (4, 248557660), (5, 198846128), (8, 124278830), (10, 99423064), (13, 76479280), (16, 62139415), (20, 49711532), (26, 38239640), (40, 24855766), (52, 19119820), (65, 15295856), (80, 12427883), (104, 9559910), (130, 7647928), (208, 4779955), (260, 3823964), (520, 1911982), (1040, 955991)]