201230720

素因数分解:

$2^7\times 5^1\times {\mathrm{314423}}^1$

素因数の和:314442

約数の個数: 32

約数和(自身を含む): 481068720

約数和(自身を除く): 279838000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 314423, 628846, 1257692, 1572115, 2515384, 3144230, 5030768, 6288460, 10061536, 12576920, 20123072, 25153840, 40246144, 50307680, 100615360, 201230720]

約数ペア:

[(1, 201230720), (2, 100615360), (4, 50307680), (5, 40246144), (8, 25153840), (10, 20123072), (16, 12576920), (20, 10061536), (32, 6288460), (40, 5030768), (64, 3144230), (80, 2515384), (128, 1572115), (160, 1257692), (320, 628846), (640, 314423)]