19766500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{3041}}^1$

素因数の和:3073

約数の個数: 48

約数和(自身を含む): 46506096

約数和(自身を除く): 26739596

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3041, 3250, 6082, 6500, 12164, 15205, 30410, 39533, 60820, 76025, 79066, 152050, 158132, 197665, 304100, 380125, 395330, 760250, 790660, 988325, 1520500, 1976650, 3953300, 4941625, 9883250, 19766500]

約数ペア:

[(1, 19766500), (2, 9883250), (4, 4941625), (5, 3953300), (10, 1976650), (13, 1520500), (20, 988325), (25, 790660), (26, 760250), (50, 395330), (52, 380125), (65, 304100), (100, 197665), (125, 158132), (130, 152050), (250, 79066), (260, 76025), (325, 60820), (500, 39533), (650, 30410), (1300, 15205), (1625, 12164), (3041, 6500), (3250, 6082)]