56254640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54091}}^1$

素因数の和:54117

約数の個数: 40

約数和(自身を含む): 140855568

約数和(自身を除く): 84600928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 54091, 108182, 216364, 270455, 432728, 540910, 703183, 865456, 1081820, 1406366, 2163640, 2812732, 3515915, 4327280, 5625464, 7031830, 11250928, 14063660, 28127320, 56254640]

約数ペア:

[(1, 56254640), (2, 28127320), (4, 14063660), (5, 11250928), (8, 7031830), (10, 5625464), (13, 4327280), (16, 3515915), (20, 2812732), (26, 2163640), (40, 1406366), (52, 1081820), (65, 865456), (80, 703183), (104, 540910), (130, 432728), (208, 270455), (260, 216364), (520, 108182), (1040, 54091)]