85475980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{104239}}^1$

素因数の和:104289

約数の個数: 24

約数和(自身を含む): 183879360

約数和(自身を除く): 98403380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 104239, 208478, 416956, 521195, 1042390, 2084780, 4273799, 8547598, 17095196, 21368995, 42737990, 85475980]

約数ペア:

[(1, 85475980), (2, 42737990), (4, 21368995), (5, 17095196), (10, 8547598), (20, 4273799), (41, 2084780), (82, 1042390), (164, 521195), (205, 416956), (410, 208478), (820, 104239)]