12580040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28591}}^1$

素因数の和:28613

約数の個数: 32

約数和(自身を含む): 30879360

約数和(自身を除く): 18299320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 28591, 57182, 114364, 142955, 228728, 285910, 314501, 571820, 629002, 1143640, 1258004, 1572505, 2516008, 3145010, 6290020, 12580040]

約数ペア:

[(1, 12580040), (2, 6290020), (4, 3145010), (5, 2516008), (8, 1572505), (10, 1258004), (11, 1143640), (20, 629002), (22, 571820), (40, 314501), (44, 285910), (55, 228728), (88, 142955), (110, 114364), (220, 57182), (440, 28591)]