55321520

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{3583}}^1$

素因数の和:3789

約数の個数: 40

約数和(自身を含む): 129325056

約数和(自身を除く): 74003536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3583, 3860, 7166, 7720, 14332, 15440, 17915, 28664, 35830, 57328, 71660, 143320, 286640, 691519, 1383038, 2766076, 3457595, 5532152, 6915190, 11064304, 13830380, 27660760, 55321520]

約数ペア:

[(1, 55321520), (2, 27660760), (4, 13830380), (5, 11064304), (8, 6915190), (10, 5532152), (16, 3457595), (20, 2766076), (40, 1383038), (80, 691519), (193, 286640), (386, 143320), (772, 71660), (965, 57328), (1544, 35830), (1930, 28664), (3088, 17915), (3583, 15440), (3860, 14332), (7166, 7720)]