39868840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{251}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 103692960

約数和(自身を除く): 63824120

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 251, 361, 380, 418, 440, 502, 722, 760, 836, 1004, 1045, 1255, 1444, 1672, 1805, 2008, 2090, 2510, 2761, 2888, 3610, 3971, 4180, 4769, 5020, 5522, 7220, 7942, 8360, 9538, 10040, 11044, 13805, 14440, 15884, 19076, 19855, 22088, 23845, 27610, 31768, 38152, 39710, 47690, 52459, 55220, 79420, 90611, 95380, 104918, 110440, 158840, 181222, 190760, 209836, 262295, 362444, 419672, 453055, 524590, 724888, 906110, 996721, 1049180, 1812220, 1993442, 2098360, 3624440, 3986884, 4983605, 7973768, 9967210, 19934420, 39868840]

約数ペア:

[(1, 39868840), (2, 19934420), (4, 9967210), (5, 7973768), (8, 4983605), (10, 3986884), (11, 3624440), (19, 2098360), (20, 1993442), (22, 1812220), (38, 1049180), (40, 996721), (44, 906110), (55, 724888), (76, 524590), (88, 453055), (95, 419672), (110, 362444), (152, 262295), (190, 209836), (209, 190760), (220, 181222), (251, 158840), (361, 110440), (380, 104918), (418, 95380), (440, 90611), (502, 79420), (722, 55220), (760, 52459), (836, 47690), (1004, 39710), (1045, 38152), (1255, 31768), (1444, 27610), (1672, 23845), (1805, 22088), (2008, 19855), (2090, 19076), (2510, 15884), (2761, 14440), (2888, 13805), (3610, 11044), (3971, 10040), (4180, 9538), (4769, 8360), (5020, 7942), (5522, 7220)]