90666575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 127015680

約数和(自身を除く): 36349105

約数列:

[1, 5, 19, 23, 25, 43, 95, 115, 193, 215, 437, 475, 575, 817, 965, 989, 1075, 2185, 3667, 4085, 4439, 4825, 4945, 8299, 10925, 18335, 18791, 20425, 22195, 24725, 41495, 84341, 91675, 93955, 110975, 157681, 190877, 207475, 421705, 469775, 788405, 954385, 2108525, 3626663, 3942025, 4771925, 18133315, 90666575]

約数ペア:

[(1, 90666575), (5, 18133315), (19, 4771925), (23, 3942025), (25, 3626663), (43, 2108525), (95, 954385), (115, 788405), (193, 469775), (215, 421705), (437, 207475), (475, 190877), (575, 157681), (817, 110975), (965, 93955), (989, 91675), (1075, 84341), (2185, 41495), (3667, 24725), (4085, 22195), (4439, 20425), (4825, 18791), (4945, 18335), (8299, 10925)]