13031161280

素因数分解:

$2^6\times 5^1\times {\mathrm{5641}}^1\times {\mathrm{7219}}^1$

素因数の和:12877

約数の個数: 56

約数和(自身を含む): 31040252880

約数和(自身を除く): 18009091600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 5641, 7219, 11282, 14438, 22564, 28205, 28876, 36095, 45128, 56410, 57752, 72190, 90256, 112820, 115504, 144380, 180512, 225640, 231008, 288760, 361024, 451280, 462016, 577520, 902560, 1155040, 1805120, 2310080, 40722379, 81444758, 162889516, 203611895, 325779032, 407223790, 651558064, 814447580, 1303116128, 1628895160, 2606232256, 3257790320, 6515580640, 13031161280]

約数ペア:

[(1, 13031161280), (2, 6515580640), (4, 3257790320), (5, 2606232256), (8, 1628895160), (10, 1303116128), (16, 814447580), (20, 651558064), (32, 407223790), (40, 325779032), (64, 203611895), (80, 162889516), (160, 81444758), (320, 40722379), (5641, 2310080), (7219, 1805120), (11282, 1155040), (14438, 902560), (22564, 577520), (28205, 462016), (28876, 451280), (36095, 361024), (45128, 288760), (56410, 231008), (57752, 225640), (72190, 180512), (90256, 144380), (112820, 115504)]