27181880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 67305600

約数和(自身を除く): 40123720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 163, 220, 326, 379, 440, 652, 758, 815, 1304, 1516, 1630, 1793, 1895, 3032, 3260, 3586, 3790, 4169, 6520, 7172, 7580, 8338, 8965, 14344, 15160, 16676, 17930, 20845, 33352, 35860, 41690, 61777, 71720, 83380, 123554, 166760, 247108, 308885, 494216, 617770, 679547, 1235540, 1359094, 2471080, 2718188, 3397735, 5436376, 6795470, 13590940, 27181880]

約数ペア:

[(1, 27181880), (2, 13590940), (4, 6795470), (5, 5436376), (8, 3397735), (10, 2718188), (11, 2471080), (20, 1359094), (22, 1235540), (40, 679547), (44, 617770), (55, 494216), (88, 308885), (110, 247108), (163, 166760), (220, 123554), (326, 83380), (379, 71720), (440, 61777), (652, 41690), (758, 35860), (815, 33352), (1304, 20845), (1516, 17930), (1630, 16676), (1793, 15160), (1895, 14344), (3032, 8965), (3260, 8338), (3586, 7580), (3790, 7172), (4169, 6520)]