1087580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 2540160

約数和(自身を除く): 1452580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 89, 94, 130, 178, 188, 235, 260, 356, 445, 470, 611, 890, 940, 1157, 1222, 1780, 2314, 2444, 3055, 4183, 4628, 5785, 6110, 8366, 11570, 12220, 16732, 20915, 23140, 41830, 54379, 83660, 108758, 217516, 271895, 543790, 1087580]

約数ペア:

[(1, 1087580), (2, 543790), (4, 271895), (5, 217516), (10, 108758), (13, 83660), (20, 54379), (26, 41830), (47, 23140), (52, 20915), (65, 16732), (89, 12220), (94, 11570), (130, 8366), (178, 6110), (188, 5785), (235, 4628), (260, 4183), (356, 3055), (445, 2444), (470, 2314), (611, 1780), (890, 1222), (940, 1157)]