101680880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{25939}}^1$

素因数の和:25966

約数の個数: 60

約数和(自身を含む): 275015880

約数和(自身を除く): 173335000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 25939, 51878, 103756, 129695, 181573, 207512, 259390, 363146, 415024, 518780, 726292, 907865, 1037560, 1271011, 1452584, 1815730, 2075120, 2542022, 2905168, 3631460, 5084044, 6355055, 7262920, 10168088, 12710110, 14525840, 20336176, 25420220, 50840440, 101680880]

約数ペア:

[(1, 101680880), (2, 50840440), (4, 25420220), (5, 20336176), (7, 14525840), (8, 12710110), (10, 10168088), (14, 7262920), (16, 6355055), (20, 5084044), (28, 3631460), (35, 2905168), (40, 2542022), (49, 2075120), (56, 1815730), (70, 1452584), (80, 1271011), (98, 1037560), (112, 907865), (140, 726292), (196, 518780), (245, 415024), (280, 363146), (392, 259390), (490, 207512), (560, 181573), (784, 129695), (980, 103756), (1960, 51878), (3920, 25939)]