4137880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 64

約数和(自身を含む): 9953280

約数和(自身を除く): 5815400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 71, 94, 124, 142, 155, 188, 235, 248, 284, 310, 355, 376, 470, 568, 620, 710, 940, 1240, 1420, 1457, 1880, 2201, 2840, 2914, 3337, 4402, 5828, 6674, 7285, 8804, 11005, 11656, 13348, 14570, 16685, 17608, 22010, 26696, 29140, 33370, 44020, 58280, 66740, 88040, 103447, 133480, 206894, 413788, 517235, 827576, 1034470, 2068940, 4137880]

約数ペア:

[(1, 4137880), (2, 2068940), (4, 1034470), (5, 827576), (8, 517235), (10, 413788), (20, 206894), (31, 133480), (40, 103447), (47, 88040), (62, 66740), (71, 58280), (94, 44020), (124, 33370), (142, 29140), (155, 26696), (188, 22010), (235, 17608), (248, 16685), (284, 14570), (310, 13348), (355, 11656), (376, 11005), (470, 8804), (568, 7285), (620, 6674), (710, 5828), (940, 4402), (1240, 3337), (1420, 2914), (1457, 2840), (1880, 2201)]