130281680

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{12823}}^1$

素因数の和:12963

約数の個数: 40

約数和(自身を含む): 305313792

約数和(自身を除く): 175032112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 12823, 25646, 51292, 64115, 102584, 128230, 205168, 256460, 512920, 1025840, 1628521, 3257042, 6514084, 8142605, 13028168, 16285210, 26056336, 32570420, 65140840, 130281680]

約数ペア:

[(1, 130281680), (2, 65140840), (4, 32570420), (5, 26056336), (8, 16285210), (10, 13028168), (16, 8142605), (20, 6514084), (40, 3257042), (80, 1628521), (127, 1025840), (254, 512920), (508, 256460), (635, 205168), (1016, 128230), (1270, 102584), (2032, 64115), (2540, 51292), (5080, 25646), (10160, 12823)]