21650080

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2879}}^1$

素因数の和:2941

約数の個数: 48

約数和(自身を含む): 52254720

約数和(自身を除く): 30604640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 2879, 3760, 5758, 7520, 11516, 14395, 23032, 28790, 46064, 57580, 92128, 115160, 135313, 230320, 270626, 460640, 541252, 676565, 1082504, 1353130, 2165008, 2706260, 4330016, 5412520, 10825040, 21650080]

約数ペア:

[(1, 21650080), (2, 10825040), (4, 5412520), (5, 4330016), (8, 2706260), (10, 2165008), (16, 1353130), (20, 1082504), (32, 676565), (40, 541252), (47, 460640), (80, 270626), (94, 230320), (160, 135313), (188, 115160), (235, 92128), (376, 57580), (470, 46064), (752, 28790), (940, 23032), (1504, 14395), (1880, 11516), (2879, 7520), (3760, 5758)]