64938010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2609}}^1$

素因数の和:2766

約数の個数: 32

約数和(自身を含む): 124027200

約数和(自身を除く): 59089190

約数列:

[1, 2, 5, 10, 19, 38, 95, 131, 190, 262, 655, 1310, 2489, 2609, 4978, 5218, 12445, 13045, 24890, 26090, 49571, 99142, 247855, 341779, 495710, 683558, 1708895, 3417790, 6493801, 12987602, 32469005, 64938010]

約数ペア:

[(1, 64938010), (2, 32469005), (5, 12987602), (10, 6493801), (19, 3417790), (38, 1708895), (95, 683558), (131, 495710), (190, 341779), (262, 247855), (655, 99142), (1310, 49571), (2489, 26090), (2609, 24890), (4978, 13045), (5218, 12445)]