396914120

素因数分解:

$2^3\times 5^1\times {\mathrm{839}}^1\times {\mathrm{11827}}^1$

素因数の和:12677

約数の個数: 32

約数和(自身を含む): 894196800

約数和(自身を除く): 497282680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 839, 1678, 3356, 4195, 6712, 8390, 11827, 16780, 23654, 33560, 47308, 59135, 94616, 118270, 236540, 473080, 9922853, 19845706, 39691412, 49614265, 79382824, 99228530, 198457060, 396914120]

約数ペア:

[(1, 396914120), (2, 198457060), (4, 99228530), (5, 79382824), (8, 49614265), (10, 39691412), (20, 19845706), (40, 9922853), (839, 473080), (1678, 236540), (3356, 118270), (4195, 94616), (6712, 59135), (8390, 47308), (11827, 33560), (16780, 23654)]