12170440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{181}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 28222740

約数和(自身を除く): 16052300

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 181, 205, 328, 362, 410, 724, 820, 905, 1448, 1640, 1681, 1810, 3362, 3620, 6724, 7240, 7421, 8405, 13448, 14842, 16810, 29684, 33620, 37105, 59368, 67240, 74210, 148420, 296840, 304261, 608522, 1217044, 1521305, 2434088, 3042610, 6085220, 12170440]

約数ペア:

[(1, 12170440), (2, 6085220), (4, 3042610), (5, 2434088), (8, 1521305), (10, 1217044), (20, 608522), (40, 304261), (41, 296840), (82, 148420), (164, 74210), (181, 67240), (205, 59368), (328, 37105), (362, 33620), (410, 29684), (724, 16810), (820, 14842), (905, 13448), (1448, 8405), (1640, 7421), (1681, 7240), (1810, 6724), (3362, 3620)]