13128220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1187}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 31933440

約数和(自身を除く): 18805220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1187, 1580, 2212, 2374, 2765, 4748, 5530, 5935, 8309, 11060, 11870, 16618, 23740, 33236, 41545, 83090, 93773, 166180, 187546, 375092, 468865, 656411, 937730, 1312822, 1875460, 2625644, 3282055, 6564110, 13128220]

約数ペア:

[(1, 13128220), (2, 6564110), (4, 3282055), (5, 2625644), (7, 1875460), (10, 1312822), (14, 937730), (20, 656411), (28, 468865), (35, 375092), (70, 187546), (79, 166180), (140, 93773), (158, 83090), (316, 41545), (395, 33236), (553, 23740), (790, 16618), (1106, 11870), (1187, 11060), (1580, 8309), (2212, 5935), (2374, 5530), (2765, 4748)]