40438384

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 97454080

約数和(自身を除く): 57015696

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 217, 248, 266, 304, 434, 496, 532, 589, 613, 868, 1064, 1178, 1226, 1736, 2128, 2356, 2452, 3472, 4123, 4291, 4712, 4904, 8246, 8582, 9424, 9808, 11647, 16492, 17164, 19003, 23294, 32984, 34328, 38006, 46588, 65968, 68656, 76012, 81529, 93176, 133021, 152024, 163058, 186352, 266042, 304048, 326116, 361057, 532084, 652232, 722114, 1064168, 1304464, 1444228, 2128336, 2527399, 2888456, 5054798, 5776912, 10109596, 20219192, 40438384]

約数ペア:

[(1, 40438384), (2, 20219192), (4, 10109596), (7, 5776912), (8, 5054798), (14, 2888456), (16, 2527399), (19, 2128336), (28, 1444228), (31, 1304464), (38, 1064168), (56, 722114), (62, 652232), (76, 532084), (112, 361057), (124, 326116), (133, 304048), (152, 266042), (217, 186352), (248, 163058), (266, 152024), (304, 133021), (434, 93176), (496, 81529), (532, 76012), (589, 68656), (613, 65968), (868, 46588), (1064, 38006), (1178, 34328), (1226, 32984), (1736, 23294), (2128, 19003), (2356, 17164), (2452, 16492), (3472, 11647), (4123, 9808), (4291, 9424), (4712, 8582), (4904, 8246)]