2871140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1613}}^1$

素因数の和:1711

約数の個数: 24

約数和(自身を含む): 6100920

約数和(自身を除く): 3229780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1613, 1780, 3226, 6452, 8065, 16130, 32260, 143557, 287114, 574228, 717785, 1435570, 2871140]

約数ペア:

[(1, 2871140), (2, 1435570), (4, 717785), (5, 574228), (10, 287114), (20, 143557), (89, 32260), (178, 16130), (356, 8065), (445, 6452), (890, 3226), (1613, 1780)]