54622180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 117411840

約数和(自身を除く): 62789660

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 181, 191, 316, 362, 382, 395, 724, 764, 790, 905, 955, 1580, 1810, 1910, 3620, 3820, 14299, 15089, 28598, 30178, 34571, 57196, 60356, 69142, 71495, 75445, 138284, 142990, 150890, 172855, 285980, 301780, 345710, 691420, 2731109, 5462218, 10924436, 13655545, 27311090, 54622180]

約数ペア:

[(1, 54622180), (2, 27311090), (4, 13655545), (5, 10924436), (10, 5462218), (20, 2731109), (79, 691420), (158, 345710), (181, 301780), (191, 285980), (316, 172855), (362, 150890), (382, 142990), (395, 138284), (724, 75445), (764, 71495), (790, 69142), (905, 60356), (955, 57196), (1580, 34571), (1810, 30178), (1910, 28598), (3620, 15089), (3820, 14299)]