61426280

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{5839}}^1$

素因数の和:6113

約数の個数: 32

約数和(自身を含む): 138758400

約数和(自身を除く): 77332120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 5839, 10520, 11678, 23356, 29195, 46712, 58390, 116780, 233560, 1535657, 3071314, 6142628, 7678285, 12285256, 15356570, 30713140, 61426280]

約数ペア:

[(1, 61426280), (2, 30713140), (4, 15356570), (5, 12285256), (8, 7678285), (10, 6142628), (20, 3071314), (40, 1535657), (263, 233560), (526, 116780), (1052, 58390), (1315, 46712), (2104, 29195), (2630, 23356), (5260, 11678), (5839, 10520)]