1289405440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3547}}^1$

素因数の和:3643

約数の個数: 88

約数和(自身を含む): 3137510592

約数和(自身を除く): 1848105152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 512, 568, 640, 710, 1024, 1136, 1280, 1420, 2272, 2560, 2840, 3547, 4544, 5120, 5680, 7094, 9088, 11360, 14188, 17735, 18176, 22720, 28376, 35470, 36352, 45440, 56752, 70940, 72704, 90880, 113504, 141880, 181760, 227008, 251837, 283760, 363520, 454016, 503674, 567520, 908032, 1007348, 1135040, 1259185, 1816064, 2014696, 2270080, 2518370, 3632128, 4029392, 4540160, 5036740, 8058784, 9080320, 10073480, 16117568, 18160640, 20146960, 32235136, 40293920, 64470272, 80587840, 128940544, 161175680, 257881088, 322351360, 644702720, 1289405440]

約数ペア:

[(1, 1289405440), (2, 644702720), (4, 322351360), (5, 257881088), (8, 161175680), (10, 128940544), (16, 80587840), (20, 64470272), (32, 40293920), (40, 32235136), (64, 20146960), (71, 18160640), (80, 16117568), (128, 10073480), (142, 9080320), (160, 8058784), (256, 5036740), (284, 4540160), (320, 4029392), (355, 3632128), (512, 2518370), (568, 2270080), (640, 2014696), (710, 1816064), (1024, 1259185), (1136, 1135040), (1280, 1007348), (1420, 908032), (2272, 567520), (2560, 503674), (2840, 454016), (3547, 363520), (4544, 283760), (5120, 251837), (5680, 227008), (7094, 181760), (9088, 141880), (11360, 113504), (14188, 90880), (17735, 72704), (18176, 70940), (22720, 56752), (28376, 45440), (35470, 36352)]