99925520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:352

約数の個数: 80

約数和(自身を含む): 239151360

約数和(自身を除く): 139225840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 97, 158, 163, 194, 316, 326, 388, 395, 485, 632, 652, 776, 790, 815, 970, 1264, 1304, 1552, 1580, 1630, 1940, 2608, 3160, 3260, 3880, 6320, 6520, 7663, 7760, 12877, 13040, 15326, 15811, 25754, 30652, 31622, 38315, 51508, 61304, 63244, 64385, 76630, 79055, 103016, 122608, 126488, 128770, 153260, 158110, 206032, 252976, 257540, 306520, 316220, 515080, 613040, 632440, 1030160, 1249069, 1264880, 2498138, 4996276, 6245345, 9992552, 12490690, 19985104, 24981380, 49962760, 99925520]

約数ペア:

[(1, 99925520), (2, 49962760), (4, 24981380), (5, 19985104), (8, 12490690), (10, 9992552), (16, 6245345), (20, 4996276), (40, 2498138), (79, 1264880), (80, 1249069), (97, 1030160), (158, 632440), (163, 613040), (194, 515080), (316, 316220), (326, 306520), (388, 257540), (395, 252976), (485, 206032), (632, 158110), (652, 153260), (776, 128770), (790, 126488), (815, 122608), (970, 103016), (1264, 79055), (1304, 76630), (1552, 64385), (1580, 63244), (1630, 61304), (1940, 51508), (2608, 38315), (3160, 31622), (3260, 30652), (3880, 25754), (6320, 15811), (6520, 15326), (7663, 13040), (7760, 12877)]