280120807840

素因数分解:

$2^5\times 5^1\times {\mathrm{443}}^1\times {\mathrm{3952043}}^1$

素因数の和:3952501

約数の個数: 48

約数和(自身を含む): 663279448608

約数和(自身を除く): 383158640768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 443, 886, 1772, 2215, 3544, 4430, 7088, 8860, 14176, 17720, 35440, 70880, 3952043, 7904086, 15808172, 19760215, 31616344, 39520430, 63232688, 79040860, 126465376, 158081720, 316163440, 632326880, 1750755049, 3501510098, 7003020196, 8753775245, 14006040392, 17507550490, 28012080784, 35015100980, 56024161568, 70030201960, 140060403920, 280120807840]

約数ペア:

[(1, 280120807840), (2, 140060403920), (4, 70030201960), (5, 56024161568), (8, 35015100980), (10, 28012080784), (16, 17507550490), (20, 14006040392), (32, 8753775245), (40, 7003020196), (80, 3501510098), (160, 1750755049), (443, 632326880), (886, 316163440), (1772, 158081720), (2215, 126465376), (3544, 79040860), (4430, 63232688), (7088, 39520430), (8860, 31616344), (14176, 19760215), (17720, 15808172), (35440, 7904086), (70880, 3952043)]