4055420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{211}}^1$

素因数の和:282

約数の個数: 36

約数和(自身を含む): 8841672

約数和(自身を除く): 4786252

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 211, 310, 422, 620, 844, 961, 1055, 1922, 2110, 3844, 4220, 4805, 6541, 9610, 13082, 19220, 26164, 32705, 65410, 130820, 202771, 405542, 811084, 1013855, 2027710, 4055420]

約数ペア:

[(1, 4055420), (2, 2027710), (4, 1013855), (5, 811084), (10, 405542), (20, 202771), (31, 130820), (62, 65410), (124, 32705), (155, 26164), (211, 19220), (310, 13082), (422, 9610), (620, 6541), (844, 4805), (961, 4220), (1055, 3844), (1922, 2110)]