23732740

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 51408000

約数和(自身を除く): 27675260

約数列:

[1, 2, 4, 5, 10, 20, 67, 89, 134, 178, 199, 268, 335, 356, 398, 445, 670, 796, 890, 995, 1340, 1780, 1990, 3980, 5963, 11926, 13333, 17711, 23852, 26666, 29815, 35422, 53332, 59630, 66665, 70844, 88555, 119260, 133330, 177110, 266660, 354220, 1186637, 2373274, 4746548, 5933185, 11866370, 23732740]

約数ペア:

[(1, 23732740), (2, 11866370), (4, 5933185), (5, 4746548), (10, 2373274), (20, 1186637), (67, 354220), (89, 266660), (134, 177110), (178, 133330), (199, 119260), (268, 88555), (335, 70844), (356, 66665), (398, 59630), (445, 53332), (670, 35422), (796, 29815), (890, 26666), (995, 23852), (1340, 17711), (1780, 13333), (1990, 11926), (3980, 5963)]