205651760

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{88643}}^1$

素因数の和:88685

約数の個数: 40

約数和(自身を含む): 494633520

約数和(自身を除く): 288981760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 88643, 177286, 354572, 443215, 709144, 886430, 1418288, 1772860, 2570647, 3545720, 5141294, 7091440, 10282588, 12853235, 20565176, 25706470, 41130352, 51412940, 102825880, 205651760]

約数ペア:

[(1, 205651760), (2, 102825880), (4, 51412940), (5, 41130352), (8, 25706470), (10, 20565176), (16, 12853235), (20, 10282588), (29, 7091440), (40, 5141294), (58, 3545720), (80, 2570647), (116, 1772860), (145, 1418288), (232, 886430), (290, 709144), (464, 443215), (580, 354572), (1160, 177286), (2320, 88643)]