51629780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 111331584

約数和(自身を除く): 59701804

約数列:

[1, 2, 4, 5, 10, 20, 71, 103, 142, 206, 284, 353, 355, 412, 515, 706, 710, 1030, 1412, 1420, 1765, 2060, 3530, 7060, 7313, 14626, 25063, 29252, 36359, 36565, 50126, 72718, 73130, 100252, 125315, 145436, 146260, 181795, 250630, 363590, 501260, 727180, 2581489, 5162978, 10325956, 12907445, 25814890, 51629780]

約数ペア:

[(1, 51629780), (2, 25814890), (4, 12907445), (5, 10325956), (10, 5162978), (20, 2581489), (71, 727180), (103, 501260), (142, 363590), (206, 250630), (284, 181795), (353, 146260), (355, 145436), (412, 125315), (515, 100252), (706, 73130), (710, 72718), (1030, 50126), (1412, 36565), (1420, 36359), (1765, 29252), (2060, 25063), (3530, 14626), (7060, 7313)]