38439400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2707}}^1$

素因数の和:2794

約数の個数: 48

約数和(自身を含む): 90663840

約数和(自身を除く): 52224440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2707, 2840, 3550, 5414, 7100, 10828, 13535, 14200, 21656, 27070, 54140, 67675, 108280, 135350, 192197, 270700, 384394, 541400, 768788, 960985, 1537576, 1921970, 3843940, 4804925, 7687880, 9609850, 19219700, 38439400]

約数ペア:

[(1, 38439400), (2, 19219700), (4, 9609850), (5, 7687880), (8, 4804925), (10, 3843940), (20, 1921970), (25, 1537576), (40, 960985), (50, 768788), (71, 541400), (100, 384394), (142, 270700), (200, 192197), (284, 135350), (355, 108280), (568, 67675), (710, 54140), (1420, 27070), (1775, 21656), (2707, 14200), (2840, 13535), (3550, 10828), (5414, 7100)]