25591520

素因数分解:

$2^5\times 5^1\times {\mathrm{307}}^1\times {\mathrm{521}}^1$

素因数の和:843

約数の個数: 48

約数和(自身を含む): 60773328

約数和(自身を除く): 35181808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 307, 521, 614, 1042, 1228, 1535, 2084, 2456, 2605, 3070, 4168, 4912, 5210, 6140, 8336, 9824, 10420, 12280, 16672, 20840, 24560, 41680, 49120, 83360, 159947, 319894, 639788, 799735, 1279576, 1599470, 2559152, 3198940, 5118304, 6397880, 12795760, 25591520]

約数ペア:

[(1, 25591520), (2, 12795760), (4, 6397880), (5, 5118304), (8, 3198940), (10, 2559152), (16, 1599470), (20, 1279576), (32, 799735), (40, 639788), (80, 319894), (160, 159947), (307, 83360), (521, 49120), (614, 41680), (1042, 24560), (1228, 20840), (1535, 16672), (2084, 12280), (2456, 10420), (2605, 9824), (3070, 8336), (4168, 6140), (4912, 5210)]