16439480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 22751560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 107, 115, 167, 184, 214, 230, 334, 428, 460, 535, 668, 835, 856, 920, 1070, 1336, 1670, 2140, 2461, 3340, 3841, 4280, 4922, 6680, 7682, 9844, 12305, 15364, 17869, 19205, 19688, 24610, 30728, 35738, 38410, 49220, 71476, 76820, 89345, 98440, 142952, 153640, 178690, 357380, 410987, 714760, 821974, 1643948, 2054935, 3287896, 4109870, 8219740, 16439480]

約数ペア:

[(1, 16439480), (2, 8219740), (4, 4109870), (5, 3287896), (8, 2054935), (10, 1643948), (20, 821974), (23, 714760), (40, 410987), (46, 357380), (92, 178690), (107, 153640), (115, 142952), (167, 98440), (184, 89345), (214, 76820), (230, 71476), (334, 49220), (428, 38410), (460, 35738), (535, 30728), (668, 24610), (835, 19688), (856, 19205), (920, 17869), (1070, 15364), (1336, 12305), (1670, 9844), (2140, 7682), (2461, 6680), (3340, 4922), (3841, 4280)]