61586480

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1979}}^1$

素因数の和:2381

約数の個数: 40

約数和(自身を含む): 143629200

約数和(自身を除く): 82042720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 1979, 3112, 3890, 3958, 6224, 7780, 7916, 9895, 15560, 15832, 19790, 31120, 31664, 39580, 79160, 158320, 769831, 1539662, 3079324, 3849155, 6158648, 7698310, 12317296, 15396620, 30793240, 61586480]

約数ペア:

[(1, 61586480), (2, 30793240), (4, 15396620), (5, 12317296), (8, 7698310), (10, 6158648), (16, 3849155), (20, 3079324), (40, 1539662), (80, 769831), (389, 158320), (778, 79160), (1556, 39580), (1945, 31664), (1979, 31120), (3112, 19790), (3890, 15832), (3958, 15560), (6224, 9895), (7780, 7916)]