1980040

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{839}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 4536000

約数和(自身を除く): 2555960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 839, 1180, 1678, 2360, 3356, 4195, 6712, 8390, 16780, 33560, 49501, 99002, 198004, 247505, 396008, 495010, 990020, 1980040]

約数ペア:

[(1, 1980040), (2, 990020), (4, 495010), (5, 396008), (8, 247505), (10, 198004), (20, 99002), (40, 49501), (59, 33560), (118, 16780), (236, 8390), (295, 6712), (472, 4195), (590, 3356), (839, 2360), (1180, 1678)]