56687480

素因数分解:

$2^3\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{1399}}^1$

素因数の和:2423

約数の個数: 32

約数和(自身を含む): 127764000

約数和(自身を除く): 71076520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013, 1399, 2026, 2798, 4052, 5065, 5596, 6995, 8104, 10130, 11192, 13990, 20260, 27980, 40520, 55960, 1417187, 2834374, 5668748, 7085935, 11337496, 14171870, 28343740, 56687480]

約数ペア:

[(1, 56687480), (2, 28343740), (4, 14171870), (5, 11337496), (8, 7085935), (10, 5668748), (20, 2834374), (40, 1417187), (1013, 55960), (1399, 40520), (2026, 27980), (2798, 20260), (4052, 13990), (5065, 11192), (5596, 10130), (6995, 8104)]