31273840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30071}}^1$

素因数の和:30097

約数の個数: 40

約数和(自身を含む): 78307488

約数和(自身を除く): 47033648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 30071, 60142, 120284, 150355, 240568, 300710, 390923, 481136, 601420, 781846, 1202840, 1563692, 1954615, 2405680, 3127384, 3909230, 6254768, 7818460, 15636920, 31273840]

約数ペア:

[(1, 31273840), (2, 15636920), (4, 7818460), (5, 6254768), (8, 3909230), (10, 3127384), (13, 2405680), (16, 1954615), (20, 1563692), (26, 1202840), (40, 781846), (52, 601420), (65, 481136), (80, 390923), (104, 300710), (130, 240568), (208, 150355), (260, 120284), (520, 60142), (1040, 30071)]