477878320

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{9319}}^1$

素因数の和:9973

約数の個数: 40

約数和(自身を含む): 1112919840

約数和(自身を除く): 635041520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 1282, 2564, 3205, 5128, 6410, 9319, 10256, 12820, 18638, 25640, 37276, 46595, 51280, 74552, 93190, 149104, 186380, 372760, 745520, 5973479, 11946958, 23893916, 29867395, 47787832, 59734790, 95575664, 119469580, 238939160, 477878320]

約数ペア:

[(1, 477878320), (2, 238939160), (4, 119469580), (5, 95575664), (8, 59734790), (10, 47787832), (16, 29867395), (20, 23893916), (40, 11946958), (80, 5973479), (641, 745520), (1282, 372760), (2564, 186380), (3205, 149104), (5128, 93190), (6410, 74552), (9319, 51280), (10256, 46595), (12820, 37276), (18638, 25640)]