15820227940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{179327}}^1$

素因数の和:179748

約数の個数: 48

約数和(自身を含む): 36333287424

約数和(自身を除く): 20513059484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 401, 802, 1604, 2005, 4010, 4411, 8020, 8822, 17644, 22055, 44110, 88220, 179327, 358654, 717308, 896635, 1793270, 1972597, 3586540, 3945194, 7890388, 9862985, 19725970, 39451940, 71910127, 143820254, 287640508, 359550635, 719101270, 791011397, 1438202540, 1582022794, 3164045588, 3955056985, 7910113970, 15820227940]

約数ペア:

[(1, 15820227940), (2, 7910113970), (4, 3955056985), (5, 3164045588), (10, 1582022794), (11, 1438202540), (20, 791011397), (22, 719101270), (44, 359550635), (55, 287640508), (110, 143820254), (220, 71910127), (401, 39451940), (802, 19725970), (1604, 9862985), (2005, 7890388), (4010, 3945194), (4411, 3586540), (8020, 1972597), (8822, 1793270), (17644, 896635), (22055, 717308), (44110, 358654), (88220, 179327)]