4239560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 10644480

約数和(自身を除く): 6404920

約数列:

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

約数ペア:

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