27827960

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2707}}^1$

素因数の和:2975

約数の個数: 32

約数和(自身を含む): 62879760

約数和(自身を除く): 35051800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 2707, 5140, 5414, 10280, 10828, 13535, 21656, 27070, 54140, 108280, 695699, 1391398, 2782796, 3478495, 5565592, 6956990, 13913980, 27827960]

約数ペア:

[(1, 27827960), (2, 13913980), (4, 6956990), (5, 5565592), (8, 3478495), (10, 2782796), (20, 1391398), (40, 695699), (257, 108280), (514, 54140), (1028, 27070), (1285, 21656), (2056, 13535), (2570, 10828), (2707, 10280), (5140, 5414)]