42700120

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{4253}}^1$

素因数の和:4515

約数の個数: 32

約数和(自身を含む): 96480720

約数和(自身を除く): 53780600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 4253, 5020, 8506, 10040, 17012, 21265, 34024, 42530, 85060, 170120, 1067503, 2135006, 4270012, 5337515, 8540024, 10675030, 21350060, 42700120]

約数ペア:

[(1, 42700120), (2, 21350060), (4, 10675030), (5, 8540024), (8, 5337515), (10, 4270012), (20, 2135006), (40, 1067503), (251, 170120), (502, 85060), (1004, 42530), (1255, 34024), (2008, 21265), (2510, 17012), (4253, 10040), (5020, 8506)]