64998280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 152766000

約数和(自身を除く): 87767720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 137, 145, 232, 274, 290, 409, 548, 580, 685, 818, 1096, 1160, 1370, 1636, 2045, 2740, 3272, 3973, 4090, 5480, 7946, 8180, 11861, 15892, 16360, 19865, 23722, 31784, 39730, 47444, 56033, 59305, 79460, 94888, 112066, 118610, 158920, 224132, 237220, 280165, 448264, 474440, 560330, 1120660, 1624957, 2241320, 3249914, 6499828, 8124785, 12999656, 16249570, 32499140, 64998280]

約数ペア:

[(1, 64998280), (2, 32499140), (4, 16249570), (5, 12999656), (8, 8124785), (10, 6499828), (20, 3249914), (29, 2241320), (40, 1624957), (58, 1120660), (116, 560330), (137, 474440), (145, 448264), (232, 280165), (274, 237220), (290, 224132), (409, 158920), (548, 118610), (580, 112066), (685, 94888), (818, 79460), (1096, 59305), (1160, 56033), (1370, 47444), (1636, 39730), (2045, 31784), (2740, 23722), (3272, 19865), (3973, 16360), (4090, 15892), (5480, 11861), (7946, 8180)]