129630640

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{9941}}^1$

素因数の和:10117

約数の個数: 40

約数和(自身を含む): 303270768

約数和(自身を除く): 173640128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 9941, 13040, 19882, 39764, 49705, 79528, 99410, 159056, 198820, 397640, 795280, 1620383, 3240766, 6481532, 8101915, 12963064, 16203830, 25926128, 32407660, 64815320, 129630640]

約数ペア:

[(1, 129630640), (2, 64815320), (4, 32407660), (5, 25926128), (8, 16203830), (10, 12963064), (16, 8101915), (20, 6481532), (40, 3240766), (80, 1620383), (163, 795280), (326, 397640), (652, 198820), (815, 159056), (1304, 99410), (1630, 79528), (2608, 49705), (3260, 39764), (6520, 19882), (9941, 13040)]