82219040

素因数分解:

$2^5\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1321}}^1$

素因数の和:1725

約数の個数: 48

約数和(自身を含む): 194889240

約数和(自身を除く): 112670200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 389, 778, 1321, 1556, 1945, 2642, 3112, 3890, 5284, 6224, 6605, 7780, 10568, 12448, 13210, 15560, 21136, 26420, 31120, 42272, 52840, 62240, 105680, 211360, 513869, 1027738, 2055476, 2569345, 4110952, 5138690, 8221904, 10277380, 16443808, 20554760, 41109520, 82219040]

約数ペア:

[(1, 82219040), (2, 41109520), (4, 20554760), (5, 16443808), (8, 10277380), (10, 8221904), (16, 5138690), (20, 4110952), (32, 2569345), (40, 2055476), (80, 1027738), (160, 513869), (389, 211360), (778, 105680), (1321, 62240), (1556, 52840), (1945, 42272), (2642, 31120), (3112, 26420), (3890, 21136), (5284, 15560), (6224, 13210), (6605, 12448), (7780, 10568)]