25921960

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2689}}^1$

素因数の和:2941

約数の個数: 32

約数和(自身を含む): 58588200

約数和(自身を除く): 32666240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 2689, 4820, 5378, 9640, 10756, 13445, 21512, 26890, 53780, 107560, 648049, 1296098, 2592196, 3240245, 5184392, 6480490, 12960980, 25921960]

約数ペア:

[(1, 25921960), (2, 12960980), (4, 6480490), (5, 5184392), (8, 3240245), (10, 2592196), (20, 1296098), (40, 648049), (241, 107560), (482, 53780), (964, 26890), (1205, 21512), (1928, 13445), (2410, 10756), (2689, 9640), (4820, 5378)]