8239660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 21111552

約数和(自身を除く): 12871892

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 43, 44, 52, 55, 65, 67, 86, 110, 130, 134, 143, 172, 215, 220, 260, 268, 286, 335, 430, 473, 559, 572, 670, 715, 737, 860, 871, 946, 1118, 1340, 1430, 1474, 1742, 1892, 2236, 2365, 2795, 2860, 2881, 2948, 3484, 3685, 4355, 4730, 5590, 5762, 6149, 7370, 8710, 9460, 9581, 11180, 11524, 12298, 14405, 14740, 17420, 19162, 24596, 28810, 30745, 31691, 37453, 38324, 47905, 57620, 61490, 63382, 74906, 95810, 122980, 126764, 149812, 158455, 187265, 191620, 316910, 374530, 411983, 633820, 749060, 823966, 1647932, 2059915, 4119830, 8239660]

約数ペア:

[(1, 8239660), (2, 4119830), (4, 2059915), (5, 1647932), (10, 823966), (11, 749060), (13, 633820), (20, 411983), (22, 374530), (26, 316910), (43, 191620), (44, 187265), (52, 158455), (55, 149812), (65, 126764), (67, 122980), (86, 95810), (110, 74906), (130, 63382), (134, 61490), (143, 57620), (172, 47905), (215, 38324), (220, 37453), (260, 31691), (268, 30745), (286, 28810), (335, 24596), (430, 19162), (473, 17420), (559, 14740), (572, 14405), (670, 12298), (715, 11524), (737, 11180), (860, 9581), (871, 9460), (946, 8710), (1118, 7370), (1340, 6149), (1430, 5762), (1474, 5590), (1742, 4730), (1892, 4355), (2236, 3685), (2365, 3484), (2795, 2948), (2860, 2881)]