51948560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20947}}^1$

素因数の和:20991

約数の個数: 40

約数和(自身を含む): 124682496

約数和(自身を除く): 72733936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 20947, 41894, 83788, 104735, 167576, 209470, 335152, 418940, 649357, 837880, 1298714, 1675760, 2597428, 3246785, 5194856, 6493570, 10389712, 12987140, 25974280, 51948560]

約数ペア:

[(1, 51948560), (2, 25974280), (4, 12987140), (5, 10389712), (8, 6493570), (10, 5194856), (16, 3246785), (20, 2597428), (31, 1675760), (40, 1298714), (62, 837880), (80, 649357), (124, 418940), (155, 335152), (248, 209470), (310, 167576), (496, 104735), (620, 83788), (1240, 41894), (2480, 20947)]