54397160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{809}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 125606700

約数和(自身を除く): 71209540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 809, 820, 1618, 1640, 1681, 3236, 3362, 4045, 6472, 6724, 8090, 8405, 13448, 16180, 16810, 32360, 33169, 33620, 66338, 67240, 132676, 165845, 265352, 331690, 663380, 1326760, 1359929, 2719858, 5439716, 6799645, 10879432, 13599290, 27198580, 54397160]

約数ペア:

[(1, 54397160), (2, 27198580), (4, 13599290), (5, 10879432), (8, 6799645), (10, 5439716), (20, 2719858), (40, 1359929), (41, 1326760), (82, 663380), (164, 331690), (205, 265352), (328, 165845), (410, 132676), (809, 67240), (820, 66338), (1618, 33620), (1640, 33169), (1681, 32360), (3236, 16810), (3362, 16180), (4045, 13448), (6472, 8405), (6724, 8090)]