80741560

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{4013}}^1$

素因数の和:4527

約数の個数: 32

約数和(自身を含む): 182075040

約数和(自身を除く): 101333480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4013, 4024, 5030, 8026, 10060, 16052, 20065, 20120, 32104, 40130, 80260, 160520, 2018539, 4037078, 8074156, 10092695, 16148312, 20185390, 40370780, 80741560]

約数ペア:

[(1, 80741560), (2, 40370780), (4, 20185390), (5, 16148312), (8, 10092695), (10, 8074156), (20, 4037078), (40, 2018539), (503, 160520), (1006, 80260), (2012, 40130), (2515, 32104), (4013, 20120), (4024, 20065), (5030, 16052), (8026, 10060)]