40289842

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{13421}}^1$

素因数の和:13521

約数の個数: 16

約数和(自身を含む): 64425600

約数和(自身を除く): 24135758

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 13421, 26842, 254999, 509998, 1060259, 2120518, 20144921, 40289842]

約数ペア:

[(1, 40289842), (2, 20144921), (19, 2120518), (38, 1060259), (79, 509998), (158, 254999), (1501, 26842), (3002, 13421)]