80399890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 157593600

約数和(自身を除く): 77193710

約数列:

[1, 2, 5, 10, 29, 37, 58, 59, 74, 118, 127, 145, 185, 254, 290, 295, 370, 590, 635, 1073, 1270, 1711, 2146, 2183, 3422, 3683, 4366, 4699, 5365, 7366, 7493, 8555, 9398, 10730, 10915, 14986, 17110, 18415, 21830, 23495, 36830, 37465, 46990, 63307, 74930, 126614, 136271, 217297, 272542, 277241, 316535, 434594, 554482, 633070, 681355, 1086485, 1362710, 1386205, 2172970, 2772410, 8039989, 16079978, 40199945, 80399890]

約数ペア:

[(1, 80399890), (2, 40199945), (5, 16079978), (10, 8039989), (29, 2772410), (37, 2172970), (58, 1386205), (59, 1362710), (74, 1086485), (118, 681355), (127, 633070), (145, 554482), (185, 434594), (254, 316535), (290, 277241), (295, 272542), (370, 217297), (590, 136271), (635, 126614), (1073, 74930), (1270, 63307), (1711, 46990), (2146, 37465), (2183, 36830), (3422, 23495), (3683, 21830), (4366, 18415), (4699, 17110), (5365, 14986), (7366, 10915), (7493, 10730), (8555, 9398)]