80907760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1451}}^1$

素因数の和:1522

約数の個数: 80

約数和(自身を含む): 204174432

約数和(自身を除く): 123266672

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 328, 340, 410, 656, 680, 697, 820, 1360, 1394, 1451, 1640, 2788, 2902, 3280, 3485, 5576, 5804, 6970, 7255, 11152, 11608, 13940, 14510, 23216, 24667, 27880, 29020, 49334, 55760, 58040, 59491, 98668, 116080, 118982, 123335, 197336, 237964, 246670, 297455, 394672, 475928, 493340, 594910, 951856, 986680, 1011347, 1189820, 1973360, 2022694, 2379640, 4045388, 4759280, 5056735, 8090776, 10113470, 16181552, 20226940, 40453880, 80907760]

約数ペア:

[(1, 80907760), (2, 40453880), (4, 20226940), (5, 16181552), (8, 10113470), (10, 8090776), (16, 5056735), (17, 4759280), (20, 4045388), (34, 2379640), (40, 2022694), (41, 1973360), (68, 1189820), (80, 1011347), (82, 986680), (85, 951856), (136, 594910), (164, 493340), (170, 475928), (205, 394672), (272, 297455), (328, 246670), (340, 237964), (410, 197336), (656, 123335), (680, 118982), (697, 116080), (820, 98668), (1360, 59491), (1394, 58040), (1451, 55760), (1640, 49334), (2788, 29020), (2902, 27880), (3280, 24667), (3485, 23216), (5576, 14510), (5804, 13940), (6970, 11608), (7255, 11152)]