89719760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{86269}}^1$

素因数の和:86295

約数の個数: 40

約数和(自身を含む): 224647080

約数和(自身を除く): 134927320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 86269, 172538, 345076, 431345, 690152, 862690, 1121497, 1380304, 1725380, 2242994, 3450760, 4485988, 5607485, 6901520, 8971976, 11214970, 17943952, 22429940, 44859880, 89719760]

約数ペア:

[(1, 89719760), (2, 44859880), (4, 22429940), (5, 17943952), (8, 11214970), (10, 8971976), (13, 6901520), (16, 5607485), (20, 4485988), (26, 3450760), (40, 2242994), (52, 1725380), (65, 1380304), (80, 1121497), (104, 862690), (130, 690152), (208, 431345), (260, 345076), (520, 172538), (1040, 86269)]