61779440

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1201}}^1$

素因数の和:1857

約数の個数: 40

約数和(自身を含む): 143980368

約数和(自身を除く): 82200928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 1201, 1286, 2402, 2572, 3215, 4804, 5144, 6005, 6430, 9608, 10288, 12010, 12860, 19216, 24020, 25720, 48040, 51440, 96080, 772243, 1544486, 3088972, 3861215, 6177944, 7722430, 12355888, 15444860, 30889720, 61779440]

約数ペア:

[(1, 61779440), (2, 30889720), (4, 15444860), (5, 12355888), (8, 7722430), (10, 6177944), (16, 3861215), (20, 3088972), (40, 1544486), (80, 772243), (643, 96080), (1201, 51440), (1286, 48040), (2402, 25720), (2572, 24020), (3215, 19216), (4804, 12860), (5144, 12010), (6005, 10288), (6430, 9608)]