66181760

素因数分解:

$2^7\times 5^1\times {\mathrm{103409}}^1$

素因数の和:103428

約数の個数: 32

約数和(自身を含む): 158217300

約数和(自身を除く): 92035540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 103409, 206818, 413636, 517045, 827272, 1034090, 1654544, 2068180, 3309088, 4136360, 6618176, 8272720, 13236352, 16545440, 33090880, 66181760]

約数ペア:

[(1, 66181760), (2, 33090880), (4, 16545440), (5, 13236352), (8, 8272720), (10, 6618176), (16, 4136360), (20, 3309088), (32, 2068180), (40, 1654544), (64, 1034090), (80, 827272), (128, 517045), (160, 413636), (320, 206818), (640, 103409)]