80124460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9941}}^1$

素因数の和:9994

約数の個数: 48

約数和(自身を含む): 187068672

約数和(自身を除く): 106944212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 9941, 19882, 39764, 49705, 99410, 129233, 198820, 258466, 308171, 516932, 616342, 646165, 1232684, 1292330, 1540855, 2584660, 3081710, 4006223, 6163420, 8012446, 16024892, 20031115, 40062230, 80124460]

約数ペア:

[(1, 80124460), (2, 40062230), (4, 20031115), (5, 16024892), (10, 8012446), (13, 6163420), (20, 4006223), (26, 3081710), (31, 2584660), (52, 1540855), (62, 1292330), (65, 1232684), (124, 646165), (130, 616342), (155, 516932), (260, 308171), (310, 258466), (403, 198820), (620, 129233), (806, 99410), (1612, 49705), (2015, 39764), (4030, 19882), (8060, 9941)]