9946640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 25712640

約数和(自身を除く): 15766000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 127, 176, 178, 220, 254, 356, 440, 445, 508, 635, 712, 880, 890, 979, 1016, 1270, 1397, 1424, 1780, 1958, 2032, 2540, 2794, 3560, 3916, 4895, 5080, 5588, 6985, 7120, 7832, 9790, 10160, 11176, 11303, 13970, 15664, 19580, 22352, 22606, 27940, 39160, 45212, 55880, 56515, 78320, 90424, 111760, 113030, 124333, 180848, 226060, 248666, 452120, 497332, 621665, 904240, 994664, 1243330, 1989328, 2486660, 4973320, 9946640]

約数ペア:

[(1, 9946640), (2, 4973320), (4, 2486660), (5, 1989328), (8, 1243330), (10, 994664), (11, 904240), (16, 621665), (20, 497332), (22, 452120), (40, 248666), (44, 226060), (55, 180848), (80, 124333), (88, 113030), (89, 111760), (110, 90424), (127, 78320), (176, 56515), (178, 55880), (220, 45212), (254, 39160), (356, 27940), (440, 22606), (445, 22352), (508, 19580), (635, 15664), (712, 13970), (880, 11303), (890, 11176), (979, 10160), (1016, 9790), (1270, 7832), (1397, 7120), (1424, 6985), (1780, 5588), (1958, 5080), (2032, 4895), (2540, 3916), (2794, 3560)]