1775460080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{312581}}^1$

素因数の和:312665

約数の個数: 40

約数和(自身を含む): 4186098144

約数和(自身を除く): 2410638064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 312581, 625162, 1250324, 1562905, 2500648, 3125810, 5001296, 6251620, 12503240, 22193251, 25006480, 44386502, 88773004, 110966255, 177546008, 221932510, 355092016, 443865020, 887730040, 1775460080]

約数ペア:

[(1, 1775460080), (2, 887730040), (4, 443865020), (5, 355092016), (8, 221932510), (10, 177546008), (16, 110966255), (20, 88773004), (40, 44386502), (71, 25006480), (80, 22193251), (142, 12503240), (284, 6251620), (355, 5001296), (568, 3125810), (710, 2500648), (1136, 1562905), (1420, 1250324), (2840, 625162), (5680, 312581)]