25654940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{373}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 57177120

約数和(自身を除く): 31522180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 181, 190, 362, 373, 380, 724, 746, 905, 1492, 1810, 1865, 3439, 3620, 3730, 6878, 7087, 7460, 13756, 14174, 17195, 28348, 34390, 35435, 67513, 68780, 70870, 135026, 141740, 270052, 337565, 675130, 1282747, 1350260, 2565494, 5130988, 6413735, 12827470, 25654940]

約数ペア:

[(1, 25654940), (2, 12827470), (4, 6413735), (5, 5130988), (10, 2565494), (19, 1350260), (20, 1282747), (38, 675130), (76, 337565), (95, 270052), (181, 141740), (190, 135026), (362, 70870), (373, 68780), (380, 67513), (724, 35435), (746, 34390), (905, 28348), (1492, 17195), (1810, 14174), (1865, 13756), (3439, 7460), (3620, 7087), (3730, 6878)]