39865520

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2609}}^1$

素因数の和:2813

約数の個数: 40

約数和(自身を含む): 93208320

約数和(自身を除く): 53342800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 2609, 3056, 3820, 5218, 7640, 10436, 13045, 15280, 20872, 26090, 41744, 52180, 104360, 208720, 498319, 996638, 1993276, 2491595, 3986552, 4983190, 7973104, 9966380, 19932760, 39865520]

約数ペア:

[(1, 39865520), (2, 19932760), (4, 9966380), (5, 7973104), (8, 4983190), (10, 3986552), (16, 2491595), (20, 1993276), (40, 996638), (80, 498319), (191, 208720), (382, 104360), (764, 52180), (955, 41744), (1528, 26090), (1910, 20872), (2609, 15280), (3056, 13045), (3820, 10436), (5218, 7640)]