47208980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25939}}^1$

素因数の和:25968

約数の個数: 48

約数和(自身を含む): 122021760

約数和(自身を除く): 74812780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 25939, 51878, 103756, 129695, 181573, 259390, 337207, 363146, 518780, 674414, 726292, 907865, 1348828, 1686035, 1815730, 2360449, 3372070, 3631460, 4720898, 6744140, 9441796, 11802245, 23604490, 47208980]

約数ペア:

[(1, 47208980), (2, 23604490), (4, 11802245), (5, 9441796), (7, 6744140), (10, 4720898), (13, 3631460), (14, 3372070), (20, 2360449), (26, 1815730), (28, 1686035), (35, 1348828), (52, 907865), (65, 726292), (70, 674414), (91, 518780), (130, 363146), (140, 337207), (182, 259390), (260, 181573), (364, 129695), (455, 103756), (910, 51878), (1820, 25939)]