40239392

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 81648000

約数和(自身を除く): 41408608

約数列:

[1, 2, 4, 8, 16, 32, 71, 89, 142, 178, 199, 284, 356, 398, 568, 712, 796, 1136, 1424, 1592, 2272, 2848, 3184, 6319, 6368, 12638, 14129, 17711, 25276, 28258, 35422, 50552, 56516, 70844, 101104, 113032, 141688, 202208, 226064, 283376, 452128, 566752, 1257481, 2514962, 5029924, 10059848, 20119696, 40239392]

約数ペア:

[(1, 40239392), (2, 20119696), (4, 10059848), (8, 5029924), (16, 2514962), (32, 1257481), (71, 566752), (89, 452128), (142, 283376), (178, 226064), (199, 202208), (284, 141688), (356, 113032), (398, 101104), (568, 70844), (712, 56516), (796, 50552), (1136, 35422), (1424, 28258), (1592, 25276), (2272, 17711), (2848, 14129), (3184, 12638), (6319, 6368)]