22218640

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 54661680

約数和(自身を除く): 32443040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 61, 80, 116, 122, 145, 157, 232, 244, 290, 305, 314, 464, 488, 580, 610, 628, 785, 976, 1160, 1220, 1256, 1570, 1769, 2320, 2440, 2512, 3140, 3538, 4553, 4880, 6280, 7076, 8845, 9106, 9577, 12560, 14152, 17690, 18212, 19154, 22765, 28304, 35380, 36424, 38308, 45530, 47885, 70760, 72848, 76616, 91060, 95770, 141520, 153232, 182120, 191540, 277733, 364240, 383080, 555466, 766160, 1110932, 1388665, 2221864, 2777330, 4443728, 5554660, 11109320, 22218640]

約数ペア:

[(1, 22218640), (2, 11109320), (4, 5554660), (5, 4443728), (8, 2777330), (10, 2221864), (16, 1388665), (20, 1110932), (29, 766160), (40, 555466), (58, 383080), (61, 364240), (80, 277733), (116, 191540), (122, 182120), (145, 153232), (157, 141520), (232, 95770), (244, 91060), (290, 76616), (305, 72848), (314, 70760), (464, 47885), (488, 45530), (580, 38308), (610, 36424), (628, 35380), (785, 28304), (976, 22765), (1160, 19154), (1220, 18212), (1256, 17690), (1570, 14152), (1769, 12560), (2320, 9577), (2440, 9106), (2512, 8845), (3140, 7076), (3538, 6280), (4553, 4880)]