72440360

素因数分解:

$2^3\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{1493}}^1$

素因数の和:2717

約数の個数: 32

約数和(自身を含む): 163234440

約数和(自身を除く): 90794080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1213, 1493, 2426, 2986, 4852, 5972, 6065, 7465, 9704, 11944, 12130, 14930, 24260, 29860, 48520, 59720, 1811009, 3622018, 7244036, 9055045, 14488072, 18110090, 36220180, 72440360]

約数ペア:

[(1, 72440360), (2, 36220180), (4, 18110090), (5, 14488072), (8, 9055045), (10, 7244036), (20, 3622018), (40, 1811009), (1213, 59720), (1493, 48520), (2426, 29860), (2986, 24260), (4852, 14930), (5972, 12130), (6065, 11944), (7465, 9704)]