25510580

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 55160784

約数和(自身を除く): 29650204

約数列:

[1, 2, 4, 5, 10, 20, 73, 101, 146, 173, 202, 292, 346, 365, 404, 505, 692, 730, 865, 1010, 1460, 1730, 2020, 3460, 7373, 12629, 14746, 17473, 25258, 29492, 34946, 36865, 50516, 63145, 69892, 73730, 87365, 126290, 147460, 174730, 252580, 349460, 1275529, 2551058, 5102116, 6377645, 12755290, 25510580]

約数ペア:

[(1, 25510580), (2, 12755290), (4, 6377645), (5, 5102116), (10, 2551058), (20, 1275529), (73, 349460), (101, 252580), (146, 174730), (173, 147460), (202, 126290), (292, 87365), (346, 73730), (365, 69892), (404, 63145), (505, 50516), (692, 36865), (730, 34946), (865, 29492), (1010, 25258), (1460, 17473), (1730, 14746), (2020, 12629), (3460, 7373)]