109980520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211501}}^1$

素因数の和:211525

約数の個数: 32

約数和(自身を含む): 266492520

約数和(自身を除く): 156512000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 211501, 423002, 846004, 1057505, 1692008, 2115010, 2749513, 4230020, 5499026, 8460040, 10998052, 13747565, 21996104, 27495130, 54990260, 109980520]

約数ペア:

[(1, 109980520), (2, 54990260), (4, 27495130), (5, 21996104), (8, 13747565), (10, 10998052), (13, 8460040), (20, 5499026), (26, 4230020), (40, 2749513), (52, 2115010), (65, 1692008), (104, 1057505), (130, 846004), (260, 423002), (520, 211501)]