660870860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2541811}}^1$

素因数の和:2541833

約数の個数: 24

約数和(自身を含む): 1494585456

約数和(自身を除く): 833714596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2541811, 5083622, 10167244, 12709055, 25418110, 33043543, 50836220, 66087086, 132174172, 165217715, 330435430, 660870860]

約数ペア:

[(1, 660870860), (2, 330435430), (4, 165217715), (5, 132174172), (10, 66087086), (13, 50836220), (20, 33043543), (26, 25418110), (52, 12709055), (65, 10167244), (130, 5083622), (260, 2541811)]