79701520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12611}}^1$

素因数の和:12703

約数の個数: 40

約数和(自身を含む): 187666560

約数和(自身を除く): 107965040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 12611, 25222, 50444, 63055, 100888, 126110, 201776, 252220, 504440, 996269, 1008880, 1992538, 3985076, 4981345, 7970152, 9962690, 15940304, 19925380, 39850760, 79701520]

約数ペア:

[(1, 79701520), (2, 39850760), (4, 19925380), (5, 15940304), (8, 9962690), (10, 7970152), (16, 4981345), (20, 3985076), (40, 1992538), (79, 1008880), (80, 996269), (158, 504440), (316, 252220), (395, 201776), (632, 126110), (790, 100888), (1264, 63055), (1580, 50444), (3160, 25222), (6320, 12611)]