123156980

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{48487}}^1$

素因数の和:48623

約数の個数: 24

約数和(自身を含む): 260671488

約数和(自身を除く): 137514508

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 48487, 96974, 193948, 242435, 484870, 969740, 6157849, 12315698, 24631396, 30789245, 61578490, 123156980]

約数ペア:

[(1, 123156980), (2, 61578490), (4, 30789245), (5, 24631396), (10, 12315698), (20, 6157849), (127, 969740), (254, 484870), (508, 242435), (635, 193948), (1270, 96974), (2540, 48487)]