5518840

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{491}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 12486960

約数和(自身を除く): 6968120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 491, 562, 982, 1124, 1405, 1964, 2248, 2455, 2810, 3928, 4910, 5620, 9820, 11240, 19640, 137971, 275942, 551884, 689855, 1103768, 1379710, 2759420, 5518840]

約数ペア:

[(1, 5518840), (2, 2759420), (4, 1379710), (5, 1103768), (8, 689855), (10, 551884), (20, 275942), (40, 137971), (281, 19640), (491, 11240), (562, 9820), (982, 5620), (1124, 4910), (1405, 3928), (1964, 2810), (2248, 2455)]