829400890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{20029}}^1$

素因数の和:20178

約数の個数: 32

約数和(自身を含む): 1544553360

約数和(自身を除く): 715152470

約数列:

[1, 2, 5, 10, 41, 82, 101, 202, 205, 410, 505, 1010, 4141, 8282, 20029, 20705, 40058, 41410, 100145, 200290, 821189, 1642378, 2022929, 4045858, 4105945, 8211890, 10114645, 20229290, 82940089, 165880178, 414700445, 829400890]

約数ペア:

[(1, 829400890), (2, 414700445), (5, 165880178), (10, 82940089), (41, 20229290), (82, 10114645), (101, 8211890), (202, 4105945), (205, 4045858), (410, 2022929), (505, 1642378), (1010, 821189), (4141, 200290), (8282, 100145), (20029, 41410), (20705, 40058)]