81670030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{628231}}^1$

素因数の和:628251

約数の個数: 16

約数和(自身を含む): 158314464

約数和(自身を除く): 76644434

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 628231, 1256462, 3141155, 6282310, 8167003, 16334006, 40835015, 81670030]

約数ペア:

[(1, 81670030), (2, 40835015), (5, 16334006), (10, 8167003), (13, 6282310), (26, 3141155), (65, 1256462), (130, 628231)]