66246700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 156396240

約数和(自身を除く): 90149540

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 131, 260, 262, 325, 389, 524, 650, 655, 778, 1300, 1310, 1556, 1703, 1945, 2620, 3275, 3406, 3890, 5057, 6550, 6812, 7780, 8515, 9725, 10114, 13100, 17030, 19450, 20228, 25285, 34060, 38900, 42575, 50570, 50959, 85150, 101140, 101918, 126425, 170300, 203836, 252850, 254795, 505700, 509590, 662467, 1019180, 1273975, 1324934, 2547950, 2649868, 3312335, 5095900, 6624670, 13249340, 16561675, 33123350, 66246700]

約数ペア:

[(1, 66246700), (2, 33123350), (4, 16561675), (5, 13249340), (10, 6624670), (13, 5095900), (20, 3312335), (25, 2649868), (26, 2547950), (50, 1324934), (52, 1273975), (65, 1019180), (100, 662467), (130, 509590), (131, 505700), (260, 254795), (262, 252850), (325, 203836), (389, 170300), (524, 126425), (650, 101918), (655, 101140), (778, 85150), (1300, 50959), (1310, 50570), (1556, 42575), (1703, 38900), (1945, 34060), (2620, 25285), (3275, 20228), (3406, 19450), (3890, 17030), (5057, 13100), (6550, 10114), (6812, 9725), (7780, 8515)]