72729040

素因数分解:

$2^4\times 5^1\times {\mathrm{909113}}^1$

素因数の和:909126

約数の個数: 20

約数和(自身を含む): 169095204

約数和(自身を除く): 96366164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 909113, 1818226, 3636452, 4545565, 7272904, 9091130, 14545808, 18182260, 36364520, 72729040]

約数ペア:

[(1, 72729040), (2, 36364520), (4, 18182260), (5, 14545808), (8, 9091130), (10, 7272904), (16, 4545565), (20, 3636452), (40, 1818226), (80, 909113)]