25996760

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 61538400

約数和(自身を除く): 35541640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 73, 116, 145, 146, 232, 290, 292, 307, 365, 580, 584, 614, 730, 1160, 1228, 1460, 1535, 2117, 2456, 2920, 3070, 4234, 6140, 8468, 8903, 10585, 12280, 16936, 17806, 21170, 22411, 35612, 42340, 44515, 44822, 71224, 84680, 89030, 89644, 112055, 178060, 179288, 224110, 356120, 448220, 649919, 896440, 1299838, 2599676, 3249595, 5199352, 6499190, 12998380, 25996760]

約数ペア:

[(1, 25996760), (2, 12998380), (4, 6499190), (5, 5199352), (8, 3249595), (10, 2599676), (20, 1299838), (29, 896440), (40, 649919), (58, 448220), (73, 356120), (116, 224110), (145, 179288), (146, 178060), (232, 112055), (290, 89644), (292, 89030), (307, 84680), (365, 71224), (580, 44822), (584, 44515), (614, 42340), (730, 35612), (1160, 22411), (1228, 21170), (1460, 17806), (1535, 16936), (2117, 12280), (2456, 10585), (2920, 8903), (3070, 8468), (4234, 6140)]