7222120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2543}}^1$

素因数の和:2625

約数の個数: 32

約数和(自身を含む): 16485120

約数和(自身を除く): 9263000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2543, 2840, 5086, 10172, 12715, 20344, 25430, 50860, 101720, 180553, 361106, 722212, 902765, 1444424, 1805530, 3611060, 7222120]

約数ペア:

[(1, 7222120), (2, 3611060), (4, 1805530), (5, 1444424), (8, 902765), (10, 722212), (20, 361106), (40, 180553), (71, 101720), (142, 50860), (284, 25430), (355, 20344), (568, 12715), (710, 10172), (1420, 5086), (2543, 2840)]