54544240

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1667}}^1$

素因数の和:2089

約数の個数: 40

約数和(自身を含む): 127201680

約数和(自身を除く): 72657440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 1667, 2045, 3272, 3334, 4090, 6544, 6668, 8180, 8335, 13336, 16360, 16670, 26672, 32720, 33340, 66680, 133360, 681803, 1363606, 2727212, 3409015, 5454424, 6818030, 10908848, 13636060, 27272120, 54544240]

約数ペア:

[(1, 54544240), (2, 27272120), (4, 13636060), (5, 10908848), (8, 6818030), (10, 5454424), (16, 3409015), (20, 2727212), (40, 1363606), (80, 681803), (409, 133360), (818, 66680), (1636, 33340), (1667, 32720), (2045, 26672), (3272, 16670), (3334, 16360), (4090, 13336), (6544, 8335), (6668, 8180)]