39557830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 78265440

約数和(自身を除く): 38707610

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 169, 178, 263, 338, 445, 526, 845, 890, 1157, 1315, 1690, 2314, 2630, 3419, 5785, 6838, 11570, 15041, 17095, 23407, 30082, 34190, 44447, 46814, 75205, 88894, 117035, 150410, 222235, 234070, 304291, 444470, 608582, 1521455, 3042910, 3955783, 7911566, 19778915, 39557830]

約数ペア:

[(1, 39557830), (2, 19778915), (5, 7911566), (10, 3955783), (13, 3042910), (26, 1521455), (65, 608582), (89, 444470), (130, 304291), (169, 234070), (178, 222235), (263, 150410), (338, 117035), (445, 88894), (526, 75205), (845, 46814), (890, 44447), (1157, 34190), (1315, 30082), (1690, 23407), (2314, 17095), (2630, 15041), (3419, 11570), (5785, 6838)]