80443760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 195225600

約数和(自身を除く): 114781840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 163, 199, 248, 310, 326, 398, 496, 620, 652, 796, 815, 995, 1240, 1304, 1592, 1630, 1990, 2480, 2608, 3184, 3260, 3980, 5053, 6169, 6520, 7960, 10106, 12338, 13040, 15920, 20212, 24676, 25265, 30845, 32437, 40424, 49352, 50530, 61690, 64874, 80848, 98704, 101060, 123380, 129748, 162185, 202120, 246760, 259496, 324370, 404240, 493520, 518992, 648740, 1005547, 1297480, 2011094, 2594960, 4022188, 5027735, 8044376, 10055470, 16088752, 20110940, 40221880, 80443760]

約数ペア:

[(1, 80443760), (2, 40221880), (4, 20110940), (5, 16088752), (8, 10055470), (10, 8044376), (16, 5027735), (20, 4022188), (31, 2594960), (40, 2011094), (62, 1297480), (80, 1005547), (124, 648740), (155, 518992), (163, 493520), (199, 404240), (248, 324370), (310, 259496), (326, 246760), (398, 202120), (496, 162185), (620, 129748), (652, 123380), (796, 101060), (815, 98704), (995, 80848), (1240, 64874), (1304, 61690), (1592, 50530), (1630, 49352), (1990, 40424), (2480, 32437), (2608, 30845), (3184, 25265), (3260, 24676), (3980, 20212), (5053, 15920), (6169, 13040), (6520, 12338), (7960, 10106)]