8479120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 21998592

約数和(自身を除く): 13519472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 263, 310, 403, 496, 520, 526, 620, 806, 1040, 1052, 1240, 1315, 1612, 2015, 2104, 2480, 2630, 3224, 3419, 4030, 4208, 5260, 6448, 6838, 8060, 8153, 10520, 13676, 16120, 16306, 17095, 21040, 27352, 32240, 32612, 34190, 40765, 54704, 65224, 68380, 81530, 105989, 130448, 136760, 163060, 211978, 273520, 326120, 423956, 529945, 652240, 847912, 1059890, 1695824, 2119780, 4239560, 8479120]

約数ペア:

[(1, 8479120), (2, 4239560), (4, 2119780), (5, 1695824), (8, 1059890), (10, 847912), (13, 652240), (16, 529945), (20, 423956), (26, 326120), (31, 273520), (40, 211978), (52, 163060), (62, 136760), (65, 130448), (80, 105989), (104, 81530), (124, 68380), (130, 65224), (155, 54704), (208, 40765), (248, 34190), (260, 32612), (263, 32240), (310, 27352), (403, 21040), (496, 17095), (520, 16306), (526, 16120), (620, 13676), (806, 10520), (1040, 8153), (1052, 8060), (1240, 6838), (1315, 6448), (1612, 5260), (2015, 4208), (2104, 4030), (2480, 3419), (2630, 3224)]