640162336

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{106979}}^1$

素因数の和:107017

約数の個数: 48

約数和(自身を含む): 1455783840

約数和(自身を除く): 815621504

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 5984, 106979, 213958, 427916, 855832, 1176769, 1711664, 1818643, 2353538, 3423328, 3637286, 4707076, 7274572, 9414152, 14549144, 18828304, 20005073, 29098288, 37656608, 40010146, 58196576, 80020292, 160040584, 320081168, 640162336]

約数ペア:

[(1, 640162336), (2, 320081168), (4, 160040584), (8, 80020292), (11, 58196576), (16, 40010146), (17, 37656608), (22, 29098288), (32, 20005073), (34, 18828304), (44, 14549144), (68, 9414152), (88, 7274572), (136, 4707076), (176, 3637286), (187, 3423328), (272, 2353538), (352, 1818643), (374, 1711664), (544, 1176769), (748, 855832), (1496, 427916), (2992, 213958), (5984, 106979)]