56961880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:760

約数の個数: 64

約数和(自身を含む): 134369280

約数和(自身を除く): 77407400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 355, 568, 620, 647, 710, 1240, 1294, 1420, 2201, 2588, 2840, 3235, 4402, 5176, 6470, 8804, 11005, 12940, 17608, 20057, 22010, 25880, 40114, 44020, 45937, 80228, 88040, 91874, 100285, 160456, 183748, 200570, 229685, 367496, 401140, 459370, 802280, 918740, 1424047, 1837480, 2848094, 5696188, 7120235, 11392376, 14240470, 28480940, 56961880]

約数ペア:

[(1, 56961880), (2, 28480940), (4, 14240470), (5, 11392376), (8, 7120235), (10, 5696188), (20, 2848094), (31, 1837480), (40, 1424047), (62, 918740), (71, 802280), (124, 459370), (142, 401140), (155, 367496), (248, 229685), (284, 200570), (310, 183748), (355, 160456), (568, 100285), (620, 91874), (647, 88040), (710, 80228), (1240, 45937), (1294, 44020), (1420, 40114), (2201, 25880), (2588, 22010), (2840, 20057), (3235, 17608), (4402, 12940), (5176, 11005), (6470, 8804)]