221010080

素因数分解:

$2^5\times 5^1\times {\mathrm{1381313}}^1$

素因数の和:1381328

約数の個数: 24

約数和(自身を含む): 522136692

約数和(自身を除く): 301126612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1381313, 2762626, 5525252, 6906565, 11050504, 13813130, 22101008, 27626260, 44202016, 55252520, 110505040, 221010080]

約数ペア:

[(1, 221010080), (2, 110505040), (4, 55252520), (5, 44202016), (8, 27626260), (10, 22101008), (16, 13813130), (20, 11050504), (32, 6906565), (40, 5525252), (80, 2762626), (160, 1381313)]