49881520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47963}}^1$

素因数の和:47989

約数の個数: 40

約数和(自身を含む): 124898256

約数和(自身を除く): 75016736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 47963, 95926, 191852, 239815, 383704, 479630, 623519, 767408, 959260, 1247038, 1918520, 2494076, 3117595, 3837040, 4988152, 6235190, 9976304, 12470380, 24940760, 49881520]

約数ペア:

[(1, 49881520), (2, 24940760), (4, 12470380), (5, 9976304), (8, 6235190), (10, 4988152), (13, 3837040), (16, 3117595), (20, 2494076), (26, 1918520), (40, 1247038), (52, 959260), (65, 767408), (80, 623519), (104, 479630), (130, 383704), (208, 239815), (260, 191852), (520, 95926), (1040, 47963)]