72208070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{1637}}^1$

素因数の和:2056

約数の個数: 32

約数和(自身を含む): 142230816

約数和(自身を除く): 70022746

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 401, 802, 1637, 2005, 3274, 4010, 4411, 8185, 8822, 16370, 18007, 22055, 36014, 44110, 90035, 180070, 656437, 1312874, 3282185, 6564370, 7220807, 14441614, 36104035, 72208070]

約数ペア:

[(1, 72208070), (2, 36104035), (5, 14441614), (10, 7220807), (11, 6564370), (22, 3282185), (55, 1312874), (110, 656437), (401, 180070), (802, 90035), (1637, 44110), (2005, 36014), (3274, 22055), (4010, 18007), (4411, 16370), (8185, 8822)]