206747840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3823}}^1$

素因数の和:3866

約数の個数: 84

約数和(自身を含む): 533241504

約数和(自身を除く): 326493664

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 169, 208, 260, 320, 338, 416, 520, 676, 832, 845, 1040, 1352, 1690, 2080, 2704, 3380, 3823, 4160, 5408, 6760, 7646, 10816, 13520, 15292, 19115, 27040, 30584, 38230, 49699, 54080, 61168, 76460, 99398, 122336, 152920, 198796, 244672, 248495, 305840, 397592, 496990, 611680, 646087, 795184, 993980, 1223360, 1292174, 1590368, 1987960, 2584348, 3180736, 3230435, 3975920, 5168696, 6460870, 7951840, 10337392, 12921740, 15903680, 20674784, 25843480, 41349568, 51686960, 103373920, 206747840]

約数ペア:

[(1, 206747840), (2, 103373920), (4, 51686960), (5, 41349568), (8, 25843480), (10, 20674784), (13, 15903680), (16, 12921740), (20, 10337392), (26, 7951840), (32, 6460870), (40, 5168696), (52, 3975920), (64, 3230435), (65, 3180736), (80, 2584348), (104, 1987960), (130, 1590368), (160, 1292174), (169, 1223360), (208, 993980), (260, 795184), (320, 646087), (338, 611680), (416, 496990), (520, 397592), (676, 305840), (832, 248495), (845, 244672), (1040, 198796), (1352, 152920), (1690, 122336), (2080, 99398), (2704, 76460), (3380, 61168), (3823, 54080), (4160, 49699), (5408, 38230), (6760, 30584), (7646, 27040), (10816, 19115), (13520, 15292)]