28354040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4957}}^1$

素因数の和:4992

約数の個数: 64

約数和(自身を含む): 74964960

約数和(自身を除く): 46610920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 4957, 5720, 9914, 19828, 24785, 39656, 49570, 54527, 64441, 99140, 109054, 128882, 198280, 218108, 257764, 272635, 322205, 436216, 515528, 545270, 644410, 708851, 1090540, 1288820, 1417702, 2181080, 2577640, 2835404, 3544255, 5670808, 7088510, 14177020, 28354040]

約数ペア:

[(1, 28354040), (2, 14177020), (4, 7088510), (5, 5670808), (8, 3544255), (10, 2835404), (11, 2577640), (13, 2181080), (20, 1417702), (22, 1288820), (26, 1090540), (40, 708851), (44, 644410), (52, 545270), (55, 515528), (65, 436216), (88, 322205), (104, 272635), (110, 257764), (130, 218108), (143, 198280), (220, 128882), (260, 109054), (286, 99140), (440, 64441), (520, 54527), (572, 49570), (715, 39656), (1144, 24785), (1430, 19828), (2860, 9914), (4957, 5720)]