64920910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{761}}^1$

素因数の和:1236

約数の個数: 32

約数和(自身を含む): 123444000

約数和(自身を除く): 58523090

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 449, 761, 898, 1522, 2245, 3805, 4490, 7610, 8531, 14459, 17062, 28918, 42655, 72295, 85310, 144590, 341689, 683378, 1708445, 3416890, 6492091, 12984182, 32460455, 64920910]

約数ペア:

[(1, 64920910), (2, 32460455), (5, 12984182), (10, 6492091), (19, 3416890), (38, 1708445), (95, 683378), (190, 341689), (449, 144590), (761, 85310), (898, 72295), (1522, 42655), (2245, 28918), (3805, 17062), (4490, 14459), (7610, 8531)]