25041980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{30539}}^1$

素因数の和:30589

約数の個数: 24

約数和(自身を含む): 53872560

約数和(自身を除く): 28830580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 30539, 61078, 122156, 152695, 305390, 610780, 1252099, 2504198, 5008396, 6260495, 12520990, 25041980]

約数ペア:

[(1, 25041980), (2, 12520990), (4, 6260495), (5, 5008396), (10, 2504198), (20, 1252099), (41, 610780), (82, 305390), (164, 152695), (205, 122156), (410, 61078), (820, 30539)]