64743620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1451}}^1$

素因数の和:1580

約数の個数: 48

約数和(自身を含む): 143434368

約数和(自身を除く): 78690748

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 194, 230, 388, 460, 485, 970, 1451, 1940, 2231, 2902, 4462, 5804, 7255, 8924, 11155, 14510, 22310, 29020, 33373, 44620, 66746, 133492, 140747, 166865, 281494, 333730, 562988, 667460, 703735, 1407470, 2814940, 3237181, 6474362, 12948724, 16185905, 32371810, 64743620]

約数ペア:

[(1, 64743620), (2, 32371810), (4, 16185905), (5, 12948724), (10, 6474362), (20, 3237181), (23, 2814940), (46, 1407470), (92, 703735), (97, 667460), (115, 562988), (194, 333730), (230, 281494), (388, 166865), (460, 140747), (485, 133492), (970, 66746), (1451, 44620), (1940, 33373), (2231, 29020), (2902, 22310), (4462, 14510), (5804, 11155), (7255, 8924)]