20180030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155231}}^1$

素因数の和:155251

約数の個数: 16

約数和(自身を含む): 39118464

約数和(自身を除く): 18938434

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 155231, 310462, 776155, 1552310, 2018003, 4036006, 10090015, 20180030]

約数ペア:

[(1, 20180030), (2, 10090015), (5, 4036006), (10, 2018003), (13, 1552310), (26, 776155), (65, 310462), (130, 155231)]