61761580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{691}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 134275680

約数和(自身を除く): 72514100

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 410, 436, 545, 691, 820, 1090, 1382, 2180, 2764, 3455, 4469, 6910, 8938, 13820, 17876, 22345, 28331, 44690, 56662, 75319, 89380, 113324, 141655, 150638, 283310, 301276, 376595, 566620, 753190, 1506380, 3088079, 6176158, 12352316, 15440395, 30880790, 61761580]

約数ペア:

[(1, 61761580), (2, 30880790), (4, 15440395), (5, 12352316), (10, 6176158), (20, 3088079), (41, 1506380), (82, 753190), (109, 566620), (164, 376595), (205, 301276), (218, 283310), (410, 150638), (436, 141655), (545, 113324), (691, 89380), (820, 75319), (1090, 56662), (1382, 44690), (2180, 28331), (2764, 22345), (3455, 17876), (4469, 13820), (6910, 8938)]