72488120

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{9199}}^1$

素因数の和:9407

約数の個数: 32

約数和(自身を含む): 163944000

約数和(自身を除く): 91455880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 9199, 18398, 36796, 45995, 73592, 91990, 183980, 367960, 1812203, 3624406, 7248812, 9061015, 14497624, 18122030, 36244060, 72488120]

約数ペア:

[(1, 72488120), (2, 36244060), (4, 18122030), (5, 14497624), (8, 9061015), (10, 7248812), (20, 3624406), (40, 1812203), (197, 367960), (394, 183980), (788, 91990), (985, 73592), (1576, 45995), (1970, 36796), (3940, 18398), (7880, 9199)]