2848640840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2297291}}^1$

素因数の和:2297333

約数の個数: 32

約数和(自身を含む): 6616200960

約数和(自身を除く): 3767560120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2297291, 4594582, 9189164, 11486455, 18378328, 22972910, 45945820, 71216021, 91891640, 142432042, 284864084, 356080105, 569728168, 712160210, 1424320420, 2848640840]

約数ペア:

[(1, 2848640840), (2, 1424320420), (4, 712160210), (5, 569728168), (8, 356080105), (10, 284864084), (20, 142432042), (31, 91891640), (40, 71216021), (62, 45945820), (124, 22972910), (155, 18378328), (248, 11486455), (310, 9189164), (620, 4594582), (1240, 2297291)]