31432840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{701}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 75816000

約数和(自身を除く): 44383160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 236, 295, 380, 472, 590, 701, 760, 1121, 1180, 1402, 2242, 2360, 2804, 3505, 4484, 5605, 5608, 7010, 8968, 11210, 13319, 14020, 22420, 26638, 28040, 41359, 44840, 53276, 66595, 82718, 106552, 133190, 165436, 206795, 266380, 330872, 413590, 532760, 785821, 827180, 1571642, 1654360, 3143284, 3929105, 6286568, 7858210, 15716420, 31432840]

約数ペア:

[(1, 31432840), (2, 15716420), (4, 7858210), (5, 6286568), (8, 3929105), (10, 3143284), (19, 1654360), (20, 1571642), (38, 827180), (40, 785821), (59, 532760), (76, 413590), (95, 330872), (118, 266380), (152, 206795), (190, 165436), (236, 133190), (295, 106552), (380, 82718), (472, 66595), (590, 53276), (701, 44840), (760, 41359), (1121, 28040), (1180, 26638), (1402, 22420), (2242, 14020), (2360, 13319), (2804, 11210), (3505, 8968), (4484, 7010), (5605, 5608)]