260530820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{38201}}^1$

素因数の和:38252

約数の個数: 48

約数和(自身を含む): 616121856

約数和(自身を除く): 355591036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 38201, 76402, 152804, 191005, 382010, 420211, 764020, 840422, 1184231, 1680844, 2101055, 2368462, 4202110, 4736924, 5921155, 8404220, 11842310, 13026541, 23684620, 26053082, 52106164, 65132705, 130265410, 260530820]

約数ペア:

[(1, 260530820), (2, 130265410), (4, 65132705), (5, 52106164), (10, 26053082), (11, 23684620), (20, 13026541), (22, 11842310), (31, 8404220), (44, 5921155), (55, 4736924), (62, 4202110), (110, 2368462), (124, 2101055), (155, 1680844), (220, 1184231), (310, 840422), (341, 764020), (620, 420211), (682, 382010), (1364, 191005), (1705, 152804), (3410, 76402), (6820, 38201)]