156906320

素因数分解:

$2^4\times 5^1\times {\mathrm{1961329}}^1$

素因数の和:1961342

約数の個数: 20

約数和(自身を含む): 364807380

約数和(自身を除く): 207901060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1961329, 3922658, 7845316, 9806645, 15690632, 19613290, 31381264, 39226580, 78453160, 156906320]

約数ペア:

[(1, 156906320), (2, 78453160), (4, 39226580), (5, 31381264), (8, 19613290), (10, 15690632), (16, 9806645), (20, 7845316), (40, 3922658), (80, 1961329)]