121264520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233201}}^1$

素因数の和:233225

約数の個数: 32

約数和(自身を含む): 293834520

約数和(自身を除く): 172570000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 233201, 466402, 932804, 1166005, 1865608, 2332010, 3031613, 4664020, 6063226, 9328040, 12126452, 15158065, 24252904, 30316130, 60632260, 121264520]

約数ペア:

[(1, 121264520), (2, 60632260), (4, 30316130), (5, 24252904), (8, 15158065), (10, 12126452), (13, 9328040), (20, 6063226), (26, 4664020), (40, 3031613), (52, 2332010), (65, 1865608), (104, 1166005), (130, 932804), (260, 466402), (520, 233201)]