28013840

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1453}}^1$

素因数の和:1707

約数の個数: 40

約数和(自身を含む): 65447448

約数和(自身を除く): 37433608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1453, 1928, 2410, 2906, 3856, 4820, 5812, 7265, 9640, 11624, 14530, 19280, 23248, 29060, 58120, 116240, 350173, 700346, 1400692, 1750865, 2801384, 3501730, 5602768, 7003460, 14006920, 28013840]

約数ペア:

[(1, 28013840), (2, 14006920), (4, 7003460), (5, 5602768), (8, 3501730), (10, 2801384), (16, 1750865), (20, 1400692), (40, 700346), (80, 350173), (241, 116240), (482, 58120), (964, 29060), (1205, 23248), (1453, 19280), (1928, 14530), (2410, 11624), (2906, 9640), (3856, 7265), (4820, 5812)]