30025840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28871}}^1$

素因数の和:28897

約数の個数: 40

約数和(自身を含む): 75182688

約数和(自身を除く): 45156848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 28871, 57742, 115484, 144355, 230968, 288710, 375323, 461936, 577420, 750646, 1154840, 1501292, 1876615, 2309680, 3002584, 3753230, 6005168, 7506460, 15012920, 30025840]

約数ペア:

[(1, 30025840), (2, 15012920), (4, 7506460), (5, 6005168), (8, 3753230), (10, 3002584), (13, 2309680), (16, 1876615), (20, 1501292), (26, 1154840), (40, 750646), (52, 577420), (65, 461936), (80, 375323), (104, 288710), (130, 230968), (208, 144355), (260, 115484), (520, 57742), (1040, 28871)]