40869620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 100590336

約数和(自身を除く): 59720716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 41, 44, 46, 55, 82, 92, 110, 115, 164, 197, 205, 220, 230, 253, 394, 410, 451, 460, 506, 788, 820, 902, 943, 985, 1012, 1265, 1804, 1886, 1970, 2167, 2255, 2530, 3772, 3940, 4334, 4510, 4531, 4715, 5060, 8077, 8668, 9020, 9062, 9430, 10373, 10835, 16154, 18124, 18860, 20746, 21670, 22655, 32308, 40385, 41492, 43340, 45310, 49841, 51865, 80770, 88847, 90620, 99682, 103730, 161540, 177694, 185771, 199364, 207460, 249205, 355388, 371542, 444235, 498410, 743084, 888470, 928855, 996820, 1776940, 1857710, 2043481, 3715420, 4086962, 8173924, 10217405, 20434810, 40869620]

約数ペア:

[(1, 40869620), (2, 20434810), (4, 10217405), (5, 8173924), (10, 4086962), (11, 3715420), (20, 2043481), (22, 1857710), (23, 1776940), (41, 996820), (44, 928855), (46, 888470), (55, 743084), (82, 498410), (92, 444235), (110, 371542), (115, 355388), (164, 249205), (197, 207460), (205, 199364), (220, 185771), (230, 177694), (253, 161540), (394, 103730), (410, 99682), (451, 90620), (460, 88847), (506, 80770), (788, 51865), (820, 49841), (902, 45310), (943, 43340), (985, 41492), (1012, 40385), (1265, 32308), (1804, 22655), (1886, 21670), (1970, 20746), (2167, 18860), (2255, 18124), (2530, 16154), (3772, 10835), (3940, 10373), (4334, 9430), (4510, 9062), (4531, 9020), (4715, 8668), (5060, 8077)]