202109960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{388673}}^1$

素因数の和:388697

約数の個数: 32

約数和(自身を含む): 489729240

約数和(自身を除く): 287619280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 388673, 777346, 1554692, 1943365, 3109384, 3886730, 5052749, 7773460, 10105498, 15546920, 20210996, 25263745, 40421992, 50527490, 101054980, 202109960]

約数ペア:

[(1, 202109960), (2, 101054980), (4, 50527490), (5, 40421992), (8, 25263745), (10, 20210996), (13, 15546920), (20, 10105498), (26, 7773460), (40, 5052749), (52, 3886730), (65, 3109384), (104, 1943365), (130, 1554692), (260, 777346), (520, 388673)]