204514960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6781}}^1$

素因数の和:6836

約数の個数: 80

約数和(自身を含む): 529809840

約数和(自身を除く): 325294880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 208, 232, 260, 290, 377, 464, 520, 580, 754, 1040, 1160, 1508, 1885, 2320, 3016, 3770, 6032, 6781, 7540, 13562, 15080, 27124, 30160, 33905, 54248, 67810, 88153, 108496, 135620, 176306, 196649, 271240, 352612, 393298, 440765, 542480, 705224, 786596, 881530, 983245, 1410448, 1573192, 1763060, 1966490, 2556437, 3146384, 3526120, 3932980, 5112874, 7052240, 7865960, 10225748, 12782185, 15731920, 20451496, 25564370, 40902992, 51128740, 102257480, 204514960]

約数ペア:

[(1, 204514960), (2, 102257480), (4, 51128740), (5, 40902992), (8, 25564370), (10, 20451496), (13, 15731920), (16, 12782185), (20, 10225748), (26, 7865960), (29, 7052240), (40, 5112874), (52, 3932980), (58, 3526120), (65, 3146384), (80, 2556437), (104, 1966490), (116, 1763060), (130, 1573192), (145, 1410448), (208, 983245), (232, 881530), (260, 786596), (290, 705224), (377, 542480), (464, 440765), (520, 393298), (580, 352612), (754, 271240), (1040, 196649), (1160, 176306), (1508, 135620), (1885, 108496), (2320, 88153), (3016, 67810), (3770, 54248), (6032, 33905), (6781, 30160), (7540, 27124), (13562, 15080)]