8427980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1321}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 19988640

約数和(自身を除く): 11560660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1321, 1595, 2642, 3190, 5284, 6380, 6605, 13210, 14531, 26420, 29062, 38309, 58124, 72655, 76618, 145310, 153236, 191545, 290620, 383090, 421399, 766180, 842798, 1685596, 2106995, 4213990, 8427980]

約数ペア:

[(1, 8427980), (2, 4213990), (4, 2106995), (5, 1685596), (10, 842798), (11, 766180), (20, 421399), (22, 383090), (29, 290620), (44, 191545), (55, 153236), (58, 145310), (110, 76618), (116, 72655), (145, 58124), (220, 38309), (290, 29062), (319, 26420), (580, 14531), (638, 13210), (1276, 6605), (1321, 6380), (1595, 5284), (2642, 3190)]