20120810240

素因数分解:

$2^8\times 5^1\times {\mathrm{15719383}}^1$

素因数の和:15719404

約数の個数: 36

約数和(自身を含む): 48195631344

約数和(自身を除く): 28074821104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 15719383, 31438766, 62877532, 78596915, 125755064, 157193830, 251510128, 314387660, 503020256, 628775320, 1006040512, 1257550640, 2012081024, 2515101280, 4024162048, 5030202560, 10060405120, 20120810240]

約数ペア:

[(1, 20120810240), (2, 10060405120), (4, 5030202560), (5, 4024162048), (8, 2515101280), (10, 2012081024), (16, 1257550640), (20, 1006040512), (32, 628775320), (40, 503020256), (64, 314387660), (80, 251510128), (128, 157193830), (160, 125755064), (256, 78596915), (320, 62877532), (640, 31438766), (1280, 15719383)]