25242760

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 60134400

約数和(自身を除く): 34891640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 232, 235, 290, 376, 463, 470, 580, 926, 940, 1160, 1363, 1852, 1880, 2315, 2726, 3704, 4630, 5452, 6815, 9260, 10904, 13427, 13630, 18520, 21761, 26854, 27260, 43522, 53708, 54520, 67135, 87044, 107416, 108805, 134270, 174088, 217610, 268540, 435220, 537080, 631069, 870440, 1262138, 2524276, 3155345, 5048552, 6310690, 12621380, 25242760]

約数ペア:

[(1, 25242760), (2, 12621380), (4, 6310690), (5, 5048552), (8, 3155345), (10, 2524276), (20, 1262138), (29, 870440), (40, 631069), (47, 537080), (58, 435220), (94, 268540), (116, 217610), (145, 174088), (188, 134270), (232, 108805), (235, 107416), (290, 87044), (376, 67135), (463, 54520), (470, 53708), (580, 43522), (926, 27260), (940, 26854), (1160, 21761), (1363, 18520), (1852, 13630), (1880, 13427), (2315, 10904), (2726, 9260), (3704, 6815), (4630, 5452)]