3956560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1$

素因数の和:188

約数の個数: 60

約数和(自身を含む): 9779508

約数和(自身を除く): 5822948

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 137, 152, 190, 274, 304, 361, 380, 548, 685, 722, 760, 1096, 1370, 1444, 1520, 1805, 2192, 2603, 2740, 2888, 3610, 5206, 5480, 5776, 7220, 10412, 10960, 13015, 14440, 20824, 26030, 28880, 41648, 49457, 52060, 98914, 104120, 197828, 208240, 247285, 395656, 494570, 791312, 989140, 1978280, 3956560]

約数ペア:

[(1, 3956560), (2, 1978280), (4, 989140), (5, 791312), (8, 494570), (10, 395656), (16, 247285), (19, 208240), (20, 197828), (38, 104120), (40, 98914), (76, 52060), (80, 49457), (95, 41648), (137, 28880), (152, 26030), (190, 20824), (274, 14440), (304, 13015), (361, 10960), (380, 10412), (548, 7220), (685, 5776), (722, 5480), (760, 5206), (1096, 3610), (1370, 2888), (1444, 2740), (1520, 2603), (1805, 2192)]