16855960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1321}}^1$

素因数の和:1372

約数の個数: 64

約数和(自身を含む): 42832800

約数和(自身を除く): 25976840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1321, 1595, 2552, 2642, 3190, 5284, 6380, 6605, 10568, 12760, 13210, 14531, 26420, 29062, 38309, 52840, 58124, 72655, 76618, 116248, 145310, 153236, 191545, 290620, 306472, 383090, 421399, 581240, 766180, 842798, 1532360, 1685596, 2106995, 3371192, 4213990, 8427980, 16855960]

約数ペア:

[(1, 16855960), (2, 8427980), (4, 4213990), (5, 3371192), (8, 2106995), (10, 1685596), (11, 1532360), (20, 842798), (22, 766180), (29, 581240), (40, 421399), (44, 383090), (55, 306472), (58, 290620), (88, 191545), (110, 153236), (116, 145310), (145, 116248), (220, 76618), (232, 72655), (290, 58124), (319, 52840), (440, 38309), (580, 29062), (638, 26420), (1160, 14531), (1276, 13210), (1321, 12760), (1595, 10568), (2552, 6605), (2642, 6380), (3190, 5284)]