25205480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20327}}^1$

素因数の和:20369

約数の個数: 32

約数和(自身を含む): 58544640

約数和(自身を除く): 33339160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 20327, 40654, 81308, 101635, 162616, 203270, 406540, 630137, 813080, 1260274, 2520548, 3150685, 5041096, 6301370, 12602740, 25205480]

約数ペア:

[(1, 25205480), (2, 12602740), (4, 6301370), (5, 5041096), (8, 3150685), (10, 2520548), (20, 1260274), (31, 813080), (40, 630137), (62, 406540), (124, 203270), (155, 162616), (248, 101635), (310, 81308), (620, 40654), (1240, 20327)]