15709840820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{63773}}^1$

素因数の和:64004

約数の個数: 48

約数和(自身を含む): 33588490320

約数和(自身を除く): 17878649500

約数列:

[1, 2, 4, 5, 10, 20, 109, 113, 218, 226, 436, 452, 545, 565, 1090, 1130, 2180, 2260, 12317, 24634, 49268, 61585, 63773, 123170, 127546, 246340, 255092, 318865, 637730, 1275460, 6951257, 7206349, 13902514, 14412698, 27805028, 28825396, 34756285, 36031745, 69512570, 72063490, 139025140, 144126980, 785492041, 1570984082, 3141968164, 3927460205, 7854920410, 15709840820]

約数ペア:

[(1, 15709840820), (2, 7854920410), (4, 3927460205), (5, 3141968164), (10, 1570984082), (20, 785492041), (109, 144126980), (113, 139025140), (218, 72063490), (226, 69512570), (436, 36031745), (452, 34756285), (545, 28825396), (565, 27805028), (1090, 14412698), (1130, 13902514), (2180, 7206349), (2260, 6951257), (12317, 1275460), (24634, 637730), (49268, 318865), (61585, 255092), (63773, 246340), (123170, 127546)]