101681320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{195541}}^1$

素因数の和:195565

約数の個数: 32

約数和(自身を含む): 246382920

約数和(自身を除く): 144701600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 195541, 391082, 782164, 977705, 1564328, 1955410, 2542033, 3910820, 5084066, 7821640, 10168132, 12710165, 20336264, 25420330, 50840660, 101681320]

約数ペア:

[(1, 101681320), (2, 50840660), (4, 25420330), (5, 20336264), (8, 12710165), (10, 10168132), (13, 7821640), (20, 5084066), (26, 3910820), (40, 2542033), (52, 1955410), (65, 1564328), (104, 977705), (130, 782164), (260, 391082), (520, 195541)]