30761480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18757}}^1$

素因数の和:18809

約数の個数: 32

約数和(自身を含む): 70905240

約数和(自身を除く): 40143760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 18757, 37514, 75028, 93785, 150056, 187570, 375140, 750280, 769037, 1538074, 3076148, 3845185, 6152296, 7690370, 15380740, 30761480]

約数ペア:

[(1, 30761480), (2, 15380740), (4, 7690370), (5, 6152296), (8, 3845185), (10, 3076148), (20, 1538074), (40, 769037), (41, 750280), (82, 375140), (164, 187570), (205, 150056), (328, 93785), (410, 75028), (820, 37514), (1640, 18757)]