90690860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{348811}}^1$

素因数の和:348833

約数の個数: 24

約数和(自身を含む): 205101456

約数和(自身を除く): 114410596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 348811, 697622, 1395244, 1744055, 3488110, 4534543, 6976220, 9069086, 18138172, 22672715, 45345430, 90690860]

約数ペア:

[(1, 90690860), (2, 45345430), (4, 22672715), (5, 18138172), (10, 9069086), (13, 6976220), (20, 4534543), (26, 3488110), (52, 1744055), (65, 1395244), (130, 697622), (260, 348811)]