80214260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2039}}^1$

素因数の和:2336

約数の個数: 48

約数和(自身を含む): 193294080

約数和(自身を除く): 113079820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 562, 1124, 1405, 1967, 2039, 2810, 3934, 4078, 5620, 7868, 8156, 9835, 10195, 14273, 19670, 20390, 28546, 39340, 40780, 57092, 71365, 142730, 285460, 572959, 1145918, 2291836, 2864795, 4010713, 5729590, 8021426, 11459180, 16042852, 20053565, 40107130, 80214260]

約数ペア:

[(1, 80214260), (2, 40107130), (4, 20053565), (5, 16042852), (7, 11459180), (10, 8021426), (14, 5729590), (20, 4010713), (28, 2864795), (35, 2291836), (70, 1145918), (140, 572959), (281, 285460), (562, 142730), (1124, 71365), (1405, 57092), (1967, 40780), (2039, 39340), (2810, 28546), (3934, 20390), (4078, 19670), (5620, 14273), (7868, 10195), (8156, 9835)]