8958620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 21022848

約数和(自身を除く): 12064228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 947, 1892, 1894, 2365, 3788, 4730, 4735, 9460, 9470, 10417, 18940, 20834, 40721, 41668, 52085, 81442, 104170, 162884, 203605, 208340, 407210, 447931, 814420, 895862, 1791724, 2239655, 4479310, 8958620]

約数ペア:

[(1, 8958620), (2, 4479310), (4, 2239655), (5, 1791724), (10, 895862), (11, 814420), (20, 447931), (22, 407210), (43, 208340), (44, 203605), (55, 162884), (86, 104170), (110, 81442), (172, 52085), (215, 41668), (220, 40721), (430, 20834), (473, 18940), (860, 10417), (946, 9470), (947, 9460), (1892, 4735), (1894, 4730), (2365, 3788)]