959207860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{18539}}^1$

素因数の和:18760

約数の個数: 48

約数和(自身を含む): 2180304000

約数和(自身を除く): 1221096140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1990, 2587, 3980, 5174, 10348, 12935, 18539, 25870, 37078, 51740, 74156, 92695, 185390, 241007, 370780, 482014, 964028, 1205035, 2410070, 3689261, 4820140, 7378522, 14757044, 18446305, 36892610, 47960393, 73785220, 95920786, 191841572, 239801965, 479603930, 959207860]

約数ペア:

[(1, 959207860), (2, 479603930), (4, 239801965), (5, 191841572), (10, 95920786), (13, 73785220), (20, 47960393), (26, 36892610), (52, 18446305), (65, 14757044), (130, 7378522), (199, 4820140), (260, 3689261), (398, 2410070), (796, 1205035), (995, 964028), (1990, 482014), (2587, 370780), (3980, 241007), (5174, 185390), (10348, 92695), (12935, 74156), (18539, 51740), (25870, 37078)]