80561140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19273}}^1$

素因数の和:19312

約数の個数: 48

約数和(自身を含む): 194281920

約数和(自身を除く): 113720780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 19273, 38546, 77092, 96365, 192730, 212003, 366187, 385460, 424006, 732374, 848012, 1060015, 1464748, 1830935, 2120030, 3661870, 4028057, 4240060, 7323740, 8056114, 16112228, 20140285, 40280570, 80561140]

約数ペア:

[(1, 80561140), (2, 40280570), (4, 20140285), (5, 16112228), (10, 8056114), (11, 7323740), (19, 4240060), (20, 4028057), (22, 3661870), (38, 2120030), (44, 1830935), (55, 1464748), (76, 1060015), (95, 848012), (110, 732374), (190, 424006), (209, 385460), (220, 366187), (380, 212003), (418, 192730), (836, 96365), (1045, 77092), (2090, 38546), (4180, 19273)]