41981680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1091}}^1$

素因数の和:1154

約数の個数: 80

約数和(自身を含む): 108055584

約数和(自身を除く): 66073904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1091, 1480, 1924, 2182, 2405, 2960, 3848, 4364, 4810, 5455, 7696, 8728, 9620, 10910, 14183, 17456, 19240, 21820, 28366, 38480, 40367, 43640, 56732, 70915, 80734, 87280, 113464, 141830, 161468, 201835, 226928, 283660, 322936, 403670, 524771, 567320, 645872, 807340, 1049542, 1134640, 1614680, 2099084, 2623855, 3229360, 4198168, 5247710, 8396336, 10495420, 20990840, 41981680]

約数ペア:

[(1, 41981680), (2, 20990840), (4, 10495420), (5, 8396336), (8, 5247710), (10, 4198168), (13, 3229360), (16, 2623855), (20, 2099084), (26, 1614680), (37, 1134640), (40, 1049542), (52, 807340), (65, 645872), (74, 567320), (80, 524771), (104, 403670), (130, 322936), (148, 283660), (185, 226928), (208, 201835), (260, 161468), (296, 141830), (370, 113464), (481, 87280), (520, 80734), (592, 70915), (740, 56732), (962, 43640), (1040, 40367), (1091, 38480), (1480, 28366), (1924, 21820), (2182, 19240), (2405, 17456), (2960, 14183), (3848, 10910), (4364, 9620), (4810, 8728), (5455, 7696)]