4240120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1493}}^1$

素因数の和:1575

約数の個数: 32

約数和(自身を含む): 9681120

約数和(自身を除く): 5441000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1493, 2840, 2986, 5972, 7465, 11944, 14930, 29860, 59720, 106003, 212006, 424012, 530015, 848024, 1060030, 2120060, 4240120]

約数ペア:

[(1, 4240120), (2, 2120060), (4, 1060030), (5, 848024), (8, 530015), (10, 424012), (20, 212006), (40, 106003), (71, 59720), (142, 29860), (284, 14930), (355, 11944), (568, 7465), (710, 5972), (1420, 2986), (1493, 2840)]