84674840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51631}}^1$

素因数の和:51683

約数の個数: 32

約数和(自身を含む): 195168960

約数和(自身を除く): 110494120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 51631, 103262, 206524, 258155, 413048, 516310, 1032620, 2065240, 2116871, 4233742, 8467484, 10584355, 16934968, 21168710, 42337420, 84674840]

約数ペア:

[(1, 84674840), (2, 42337420), (4, 21168710), (5, 16934968), (8, 10584355), (10, 8467484), (20, 4233742), (40, 2116871), (41, 2065240), (82, 1032620), (164, 516310), (205, 413048), (328, 258155), (410, 206524), (820, 103262), (1640, 51631)]