72306680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{38461}}^1$

素因数の和:38519

約数の個数: 32

約数和(自身を含む): 166155840

約数和(自身を除く): 93849160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 38461, 76922, 153844, 192305, 307688, 384610, 769220, 1538440, 1807667, 3615334, 7230668, 9038335, 14461336, 18076670, 36153340, 72306680]

約数ペア:

[(1, 72306680), (2, 36153340), (4, 18076670), (5, 14461336), (8, 9038335), (10, 7230668), (20, 3615334), (40, 1807667), (47, 1538440), (94, 769220), (188, 384610), (235, 307688), (376, 192305), (470, 153844), (940, 76922), (1880, 38461)]