27975020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45121}}^1$

素因数の和:45161

約数の個数: 24

約数和(自身を含む): 60643968

約数和(自身を除く): 32668948

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 45121, 90242, 180484, 225605, 451210, 902420, 1398751, 2797502, 5595004, 6993755, 13987510, 27975020]

約数ペア:

[(1, 27975020), (2, 13987510), (4, 6993755), (5, 5595004), (10, 2797502), (20, 1398751), (31, 902420), (62, 451210), (124, 225605), (155, 180484), (310, 90242), (620, 45121)]