8679602020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{39521}}^1$

素因数の和:39748

約数の個数: 48

約数和(自身を含む): 18591148800

約数和(自身を除く): 9911546780

約数列:

[1, 2, 4, 5, 10, 20, 79, 139, 158, 278, 316, 395, 556, 695, 790, 1390, 1580, 2780, 10981, 21962, 39521, 43924, 54905, 79042, 109810, 158084, 197605, 219620, 395210, 790420, 3122159, 5493419, 6244318, 10986838, 12488636, 15610795, 21973676, 27467095, 31221590, 54934190, 62443180, 109868380, 433980101, 867960202, 1735920404, 2169900505, 4339801010, 8679602020]

約数ペア:

[(1, 8679602020), (2, 4339801010), (4, 2169900505), (5, 1735920404), (10, 867960202), (20, 433980101), (79, 109868380), (139, 62443180), (158, 54934190), (278, 31221590), (316, 27467095), (395, 21973676), (556, 15610795), (695, 12488636), (790, 10986838), (1390, 6244318), (1580, 5493419), (2780, 3122159), (10981, 790420), (21962, 395210), (39521, 219620), (43924, 197605), (54905, 158084), (79042, 109810)]