64091480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{26267}}^1$

素因数の和:26339

約数の個数: 32

約数和(自身を含む): 146575440

約数和(自身を除く): 82483960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 26267, 52534, 105068, 131335, 210136, 262670, 525340, 1050680, 1602287, 3204574, 6409148, 8011435, 12818296, 16022870, 32045740, 64091480]

約数ペア:

[(1, 64091480), (2, 32045740), (4, 16022870), (5, 12818296), (8, 8011435), (10, 6409148), (20, 3204574), (40, 1602287), (61, 1050680), (122, 525340), (244, 262670), (305, 210136), (488, 131335), (610, 105068), (1220, 52534), (2440, 26267)]