61389920

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12377}}^1$

素因数の和:12423

約数の個数: 48

約数和(自身を含む): 149724288

約数和(自身を除く): 88334368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 12377, 24754, 49508, 61885, 99016, 123770, 198032, 247540, 383687, 396064, 495080, 767374, 990160, 1534748, 1918435, 1980320, 3069496, 3836870, 6138992, 7673740, 12277984, 15347480, 30694960, 61389920]

約数ペア:

[(1, 61389920), (2, 30694960), (4, 15347480), (5, 12277984), (8, 7673740), (10, 6138992), (16, 3836870), (20, 3069496), (31, 1980320), (32, 1918435), (40, 1534748), (62, 990160), (80, 767374), (124, 495080), (155, 396064), (160, 383687), (248, 247540), (310, 198032), (496, 123770), (620, 99016), (992, 61885), (1240, 49508), (2480, 24754), (4960, 12377)]