39998192

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:418

約数の個数: 80

約数和(自身を含む): 91140000

約数和(自身を除く): 51141808

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 29, 38, 52, 58, 76, 104, 116, 152, 208, 232, 247, 304, 349, 377, 464, 494, 551, 698, 754, 988, 1102, 1396, 1508, 1976, 2204, 2792, 3016, 3952, 4408, 4537, 5584, 6032, 6631, 7163, 8816, 9074, 10121, 13262, 14326, 18148, 20242, 26524, 28652, 36296, 40484, 53048, 57304, 72592, 80968, 86203, 106096, 114608, 131573, 161936, 172406, 192299, 263146, 344812, 384598, 526292, 689624, 769196, 1052584, 1379248, 1538392, 2105168, 2499887, 3076784, 4999774, 9999548, 19999096, 39998192]

約数ペア:

[(1, 39998192), (2, 19999096), (4, 9999548), (8, 4999774), (13, 3076784), (16, 2499887), (19, 2105168), (26, 1538392), (29, 1379248), (38, 1052584), (52, 769196), (58, 689624), (76, 526292), (104, 384598), (116, 344812), (152, 263146), (208, 192299), (232, 172406), (247, 161936), (304, 131573), (349, 114608), (377, 106096), (464, 86203), (494, 80968), (551, 72592), (698, 57304), (754, 53048), (988, 40484), (1102, 36296), (1396, 28652), (1508, 26524), (1976, 20242), (2204, 18148), (2792, 14326), (3016, 13262), (3952, 10121), (4408, 9074), (4537, 8816), (5584, 7163), (6032, 6631)]