42204020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68071}}^1$

素因数の和:68111

約数の個数: 24

約数和(自身を含む): 91488768

約数和(自身を除く): 49284748

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 68071, 136142, 272284, 340355, 680710, 1361420, 2110201, 4220402, 8440804, 10551005, 21102010, 42204020]

約数ペア:

[(1, 42204020), (2, 21102010), (4, 10551005), (5, 8440804), (10, 4220402), (20, 2110201), (31, 1361420), (62, 680710), (124, 340355), (155, 272284), (310, 136142), (620, 68071)]