1840453520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{2293}}^1$

素因数の和:2512

約数の個数: 80

約数和(自身を含む): 4369244160

約数和(自身を除く): 2528790640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 127, 158, 254, 316, 395, 508, 632, 635, 790, 1016, 1264, 1270, 1580, 2032, 2293, 2540, 3160, 4586, 5080, 6320, 9172, 10033, 10160, 11465, 18344, 20066, 22930, 36688, 40132, 45860, 50165, 80264, 91720, 100330, 160528, 181147, 183440, 200660, 291211, 362294, 401320, 582422, 724588, 802640, 905735, 1164844, 1449176, 1456055, 1811470, 2329688, 2898352, 2912110, 3622940, 4659376, 5824220, 7245880, 11648440, 14491760, 23005669, 23296880, 46011338, 92022676, 115028345, 184045352, 230056690, 368090704, 460113380, 920226760, 1840453520]

約数ペア:

[(1, 1840453520), (2, 920226760), (4, 460113380), (5, 368090704), (8, 230056690), (10, 184045352), (16, 115028345), (20, 92022676), (40, 46011338), (79, 23296880), (80, 23005669), (127, 14491760), (158, 11648440), (254, 7245880), (316, 5824220), (395, 4659376), (508, 3622940), (632, 2912110), (635, 2898352), (790, 2329688), (1016, 1811470), (1264, 1456055), (1270, 1449176), (1580, 1164844), (2032, 905735), (2293, 802640), (2540, 724588), (3160, 582422), (4586, 401320), (5080, 362294), (6320, 291211), (9172, 200660), (10033, 183440), (10160, 181147), (11465, 160528), (18344, 100330), (20066, 91720), (22930, 80264), (36688, 50165), (40132, 45860)]