25055440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10103}}^1$

素因数の和:10147

約数の個数: 40

約数和(自身を含む): 60139008

約数和(自身を除く): 35083568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 10103, 20206, 40412, 50515, 80824, 101030, 161648, 202060, 313193, 404120, 626386, 808240, 1252772, 1565965, 2505544, 3131930, 5011088, 6263860, 12527720, 25055440]

約数ペア:

[(1, 25055440), (2, 12527720), (4, 6263860), (5, 5011088), (8, 3131930), (10, 2505544), (16, 1565965), (20, 1252772), (31, 808240), (40, 626386), (62, 404120), (80, 313193), (124, 202060), (155, 161648), (248, 101030), (310, 80824), (496, 50515), (620, 40412), (1240, 20206), (2480, 10103)]