121108520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{232901}}^1$

素因数の和:232925

約数の個数: 32

約数和(自身を含む): 293456520

約数和(自身を除く): 172348000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 232901, 465802, 931604, 1164505, 1863208, 2329010, 3027713, 4658020, 6055426, 9316040, 12110852, 15138565, 24221704, 30277130, 60554260, 121108520]

約数ペア:

[(1, 121108520), (2, 60554260), (4, 30277130), (5, 24221704), (8, 15138565), (10, 12110852), (13, 9316040), (20, 6055426), (26, 4658020), (40, 3027713), (52, 2329010), (65, 1863208), (104, 1164505), (130, 931604), (260, 465802), (520, 232901)]