201518360

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{11689}}^1$

素因数の和:12131

約数の個数: 32

約数和(自身を含む): 454507200

約数和(自身を除く): 252988840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4310, 8620, 11689, 17240, 23378, 46756, 58445, 93512, 116890, 233780, 467560, 5037959, 10075918, 20151836, 25189795, 40303672, 50379590, 100759180, 201518360]

約数ペア:

[(1, 201518360), (2, 100759180), (4, 50379590), (5, 40303672), (8, 25189795), (10, 20151836), (20, 10075918), (40, 5037959), (431, 467560), (862, 233780), (1724, 116890), (2155, 93512), (3448, 58445), (4310, 46756), (8620, 23378), (11689, 17240)]