138917840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1033}}^1$

素因数の和:1128

約数の個数: 60

約数和(自身を含む): 331374252

約数和(自身を除く): 192456412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1033, 1640, 1681, 2066, 3280, 3362, 4132, 5165, 6724, 8264, 8405, 10330, 13448, 16528, 16810, 20660, 26896, 33620, 41320, 42353, 67240, 82640, 84706, 134480, 169412, 211765, 338824, 423530, 677648, 847060, 1694120, 1736473, 3388240, 3472946, 6945892, 8682365, 13891784, 17364730, 27783568, 34729460, 69458920, 138917840]

約数ペア:

[(1, 138917840), (2, 69458920), (4, 34729460), (5, 27783568), (8, 17364730), (10, 13891784), (16, 8682365), (20, 6945892), (40, 3472946), (41, 3388240), (80, 1736473), (82, 1694120), (164, 847060), (205, 677648), (328, 423530), (410, 338824), (656, 211765), (820, 169412), (1033, 134480), (1640, 84706), (1681, 82640), (2066, 67240), (3280, 42353), (3362, 41320), (4132, 33620), (5165, 26896), (6724, 20660), (8264, 16810), (8405, 16528), (10330, 13448)]