320196880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^2\times {\mathrm{2381}}^1$

素因数の和:2476

約数の個数: 60

約数和(自身を含む): 763378596

約数和(自身を除く): 443181716

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 1681, 2381, 3280, 3362, 4762, 6724, 8405, 9524, 11905, 13448, 16810, 19048, 23810, 26896, 33620, 38096, 47620, 67240, 95240, 97621, 134480, 190480, 195242, 390484, 488105, 780968, 976210, 1561936, 1952420, 3904840, 4002461, 7809680, 8004922, 16009844, 20012305, 32019688, 40024610, 64039376, 80049220, 160098440, 320196880]

約数ペア:

[(1, 320196880), (2, 160098440), (4, 80049220), (5, 64039376), (8, 40024610), (10, 32019688), (16, 20012305), (20, 16009844), (40, 8004922), (41, 7809680), (80, 4002461), (82, 3904840), (164, 1952420), (205, 1561936), (328, 976210), (410, 780968), (656, 488105), (820, 390484), (1640, 195242), (1681, 190480), (2381, 134480), (3280, 97621), (3362, 95240), (4762, 67240), (6724, 47620), (8405, 38096), (9524, 33620), (11905, 26896), (13448, 23810), (16810, 19048)]