85751440

素因数分解:

$2^4\times 5^1\times {\mathrm{503}}^1\times {\mathrm{2131}}^1$

素因数の和:2647

約数の個数: 40

約数和(自身を含む): 199862208

約数和(自身を除く): 114110768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 503, 1006, 2012, 2131, 2515, 4024, 4262, 5030, 8048, 8524, 10060, 10655, 17048, 20120, 21310, 34096, 40240, 42620, 85240, 170480, 1071893, 2143786, 4287572, 5359465, 8575144, 10718930, 17150288, 21437860, 42875720, 85751440]

約数ペア:

[(1, 85751440), (2, 42875720), (4, 21437860), (5, 17150288), (8, 10718930), (10, 8575144), (16, 5359465), (20, 4287572), (40, 2143786), (80, 1071893), (503, 170480), (1006, 85240), (2012, 42620), (2131, 40240), (2515, 34096), (4024, 21310), (4262, 20120), (5030, 17048), (8048, 10655), (8524, 10060)]