87183980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{335323}}^1$

素因数の和:335345

約数の個数: 24

約数和(自身を含む): 197170512

約数和(自身を除く): 109986532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 335323, 670646, 1341292, 1676615, 3353230, 4359199, 6706460, 8718398, 17436796, 21795995, 43591990, 87183980]

約数ペア:

[(1, 87183980), (2, 43591990), (4, 21795995), (5, 17436796), (10, 8718398), (13, 6706460), (20, 4359199), (26, 3353230), (52, 1676615), (65, 1341292), (130, 670646), (260, 335323)]