31150880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10247}}^1$

素因数の和:10281

約数の個数: 48

約数和(自身を含む): 77474880

約数和(自身を除く): 46324000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 10247, 20494, 40988, 51235, 81976, 102470, 163952, 194693, 204940, 327904, 389386, 409880, 778772, 819760, 973465, 1557544, 1639520, 1946930, 3115088, 3893860, 6230176, 7787720, 15575440, 31150880]

約数ペア:

[(1, 31150880), (2, 15575440), (4, 7787720), (5, 6230176), (8, 3893860), (10, 3115088), (16, 1946930), (19, 1639520), (20, 1557544), (32, 973465), (38, 819760), (40, 778772), (76, 409880), (80, 389386), (95, 327904), (152, 204940), (160, 194693), (190, 163952), (304, 102470), (380, 81976), (608, 51235), (760, 40988), (1520, 20494), (3040, 10247)]