80575180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4201}}^1$

素因数の和:4354

約数の個数: 48

約数和(自身を含む): 194838336

約数和(自身を除く): 114263156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3836, 4201, 4795, 8402, 9590, 16804, 19180, 21005, 29407, 42010, 58814, 84020, 117628, 147035, 294070, 575537, 588140, 1151074, 2302148, 2877685, 4028759, 5755370, 8057518, 11510740, 16115036, 20143795, 40287590, 80575180]

約数ペア:

[(1, 80575180), (2, 40287590), (4, 20143795), (5, 16115036), (7, 11510740), (10, 8057518), (14, 5755370), (20, 4028759), (28, 2877685), (35, 2302148), (70, 1151074), (137, 588140), (140, 575537), (274, 294070), (548, 147035), (685, 117628), (959, 84020), (1370, 58814), (1918, 42010), (2740, 29407), (3836, 21005), (4201, 19180), (4795, 16804), (8402, 9590)]