81962020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{585443}}^1$

素因数の和:585459

約数の個数: 24

約数和(自身を含む): 196709184

約数和(自身を除く): 114747164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 585443, 1170886, 2341772, 2927215, 4098101, 5854430, 8196202, 11708860, 16392404, 20490505, 40981010, 81962020]

約数ペア:

[(1, 81962020), (2, 40981010), (4, 20490505), (5, 16392404), (7, 11708860), (10, 8196202), (14, 5854430), (20, 4098101), (28, 2927215), (35, 2341772), (70, 1170886), (140, 585443)]