7960820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{563}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 19329408

約数和(自身を除く): 11368588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 563, 707, 1010, 1126, 1414, 2020, 2252, 2815, 2828, 3535, 3941, 5630, 7070, 7882, 11260, 14140, 15764, 19705, 39410, 56863, 78820, 113726, 227452, 284315, 398041, 568630, 796082, 1137260, 1592164, 1990205, 3980410, 7960820]

約数ペア:

[(1, 7960820), (2, 3980410), (4, 1990205), (5, 1592164), (7, 1137260), (10, 796082), (14, 568630), (20, 398041), (28, 284315), (35, 227452), (70, 113726), (101, 78820), (140, 56863), (202, 39410), (404, 19705), (505, 15764), (563, 14140), (707, 11260), (1010, 7882), (1126, 7070), (1414, 5630), (2020, 3941), (2252, 3535), (2815, 2828)]