25580925

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 48746880

約数和(自身を除く): 23165955

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 47, 59, 75, 123, 141, 177, 205, 225, 235, 295, 369, 423, 531, 615, 705, 885, 1025, 1175, 1475, 1845, 1927, 2115, 2419, 2655, 2773, 3075, 3525, 4425, 5781, 7257, 8319, 9225, 9635, 10575, 12095, 13275, 13865, 17343, 21771, 24957, 28905, 36285, 41595, 48175, 60475, 69325, 86715, 108855, 113693, 124785, 144525, 181425, 207975, 341079, 433575, 544275, 568465, 623925, 1023237, 1705395, 2842325, 5116185, 8526975, 25580925]

約数ペア:

[(1, 25580925), (3, 8526975), (5, 5116185), (9, 2842325), (15, 1705395), (25, 1023237), (41, 623925), (45, 568465), (47, 544275), (59, 433575), (75, 341079), (123, 207975), (141, 181425), (177, 144525), (205, 124785), (225, 113693), (235, 108855), (295, 86715), (369, 69325), (423, 60475), (531, 48175), (615, 41595), (705, 36285), (885, 28905), (1025, 24957), (1175, 21771), (1475, 17343), (1845, 13865), (1927, 13275), (2115, 12095), (2419, 10575), (2655, 9635), (2773, 9225), (3075, 8319), (3525, 7257), (4425, 5781)]