39981568

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:289

約数の個数: 80

約数和(自身を含む): 90351360

約数和(自身を除く): 50369792

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 229, 248, 256, 341, 352, 458, 496, 512, 682, 704, 916, 992, 1364, 1408, 1832, 1984, 2519, 2728, 2816, 3664, 3968, 5038, 5456, 5632, 7099, 7328, 7936, 10076, 10912, 14198, 14656, 15872, 20152, 21824, 28396, 29312, 40304, 43648, 56792, 58624, 78089, 80608, 87296, 113584, 117248, 156178, 161216, 174592, 227168, 312356, 322432, 454336, 624712, 644864, 908672, 1249424, 1289728, 1817344, 2498848, 3634688, 4997696, 9995392, 19990784, 39981568]

約数ペア:

[(1, 39981568), (2, 19990784), (4, 9995392), (8, 4997696), (11, 3634688), (16, 2498848), (22, 1817344), (31, 1289728), (32, 1249424), (44, 908672), (62, 644864), (64, 624712), (88, 454336), (124, 322432), (128, 312356), (176, 227168), (229, 174592), (248, 161216), (256, 156178), (341, 117248), (352, 113584), (458, 87296), (496, 80608), (512, 78089), (682, 58624), (704, 56792), (916, 43648), (992, 40304), (1364, 29312), (1408, 28396), (1832, 21824), (1984, 20152), (2519, 15872), (2728, 14656), (2816, 14198), (3664, 10912), (3968, 10076), (5038, 7936), (5456, 7328), (5632, 7099)]