25805500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 65939328

約数和(自身を除く): 40133828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 73, 100, 101, 125, 140, 146, 175, 202, 250, 292, 350, 365, 404, 500, 505, 511, 700, 707, 730, 875, 1010, 1022, 1414, 1460, 1750, 1825, 2020, 2044, 2525, 2555, 2828, 3500, 3535, 3650, 5050, 5110, 7070, 7300, 7373, 9125, 10100, 10220, 12625, 12775, 14140, 14746, 17675, 18250, 25250, 25550, 29492, 35350, 36500, 36865, 50500, 51100, 51611, 63875, 70700, 73730, 88375, 103222, 127750, 147460, 176750, 184325, 206444, 255500, 258055, 353500, 368650, 516110, 737300, 921625, 1032220, 1290275, 1843250, 2580550, 3686500, 5161100, 6451375, 12902750, 25805500]

約数ペア:

[(1, 25805500), (2, 12902750), (4, 6451375), (5, 5161100), (7, 3686500), (10, 2580550), (14, 1843250), (20, 1290275), (25, 1032220), (28, 921625), (35, 737300), (50, 516110), (70, 368650), (73, 353500), (100, 258055), (101, 255500), (125, 206444), (140, 184325), (146, 176750), (175, 147460), (202, 127750), (250, 103222), (292, 88375), (350, 73730), (365, 70700), (404, 63875), (500, 51611), (505, 51100), (511, 50500), (700, 36865), (707, 36500), (730, 35350), (875, 29492), (1010, 25550), (1022, 25250), (1414, 18250), (1460, 17675), (1750, 14746), (1825, 14140), (2020, 12775), (2044, 12625), (2525, 10220), (2555, 10100), (2828, 9125), (3500, 7373), (3535, 7300), (3650, 7070), (5050, 5110)]