72028990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1601}}^1$

素因数の和:2028

約数の個数: 32

約数和(自身を含む): 141873120

約数和(自身を除く): 69844130

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 409, 818, 1601, 2045, 3202, 4090, 4499, 8005, 8998, 16010, 17611, 22495, 35222, 44990, 88055, 176110, 654809, 1309618, 3274045, 6548090, 7202899, 14405798, 36014495, 72028990]

約数ペア:

[(1, 72028990), (2, 36014495), (5, 14405798), (10, 7202899), (11, 6548090), (22, 3274045), (55, 1309618), (110, 654809), (409, 176110), (818, 88055), (1601, 44990), (2045, 35222), (3202, 22495), (4090, 17611), (4499, 16010), (8005, 8998)]