40998808

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 85536000

約数和(自身を除く): 44537192

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 71, 76, 116, 131, 142, 152, 232, 262, 284, 524, 551, 568, 1048, 1102, 1349, 2059, 2204, 2489, 2698, 3799, 4118, 4408, 4978, 5396, 7598, 8236, 9301, 9956, 10792, 15196, 16472, 18602, 19912, 30392, 37204, 39121, 72181, 74408, 78242, 144362, 156484, 176719, 269729, 288724, 312968, 353438, 539458, 577448, 706876, 1078916, 1413752, 2157832, 5124851, 10249702, 20499404, 40998808]

約数ペア:

[(1, 40998808), (2, 20499404), (4, 10249702), (8, 5124851), (19, 2157832), (29, 1413752), (38, 1078916), (58, 706876), (71, 577448), (76, 539458), (116, 353438), (131, 312968), (142, 288724), (152, 269729), (232, 176719), (262, 156484), (284, 144362), (524, 78242), (551, 74408), (568, 72181), (1048, 39121), (1102, 37204), (1349, 30392), (2059, 19912), (2204, 18602), (2489, 16472), (2698, 15196), (3799, 10792), (4118, 9956), (4408, 9301), (4978, 8236), (5396, 7598)]