4420520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8501}}^1$

素因数の和:8525

約数の個数: 32

約数和(自身を含む): 10712520

約数和(自身を除く): 6292000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 8501, 17002, 34004, 42505, 68008, 85010, 110513, 170020, 221026, 340040, 442052, 552565, 884104, 1105130, 2210260, 4420520]

約数ペア:

[(1, 4420520), (2, 2210260), (4, 1105130), (5, 884104), (8, 552565), (10, 442052), (13, 340040), (20, 221026), (26, 170020), (40, 110513), (52, 85010), (65, 68008), (104, 42505), (130, 34004), (260, 17002), (520, 8501)]