15688240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4783}}^1$

素因数の和:4837

約数の個数: 40

約数和(自身を含む): 37372608

約数和(自身を除く): 21684368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 4783, 9566, 19132, 23915, 38264, 47830, 76528, 95660, 191320, 196103, 382640, 392206, 784412, 980515, 1568824, 1961030, 3137648, 3922060, 7844120, 15688240]

約数ペア:

[(1, 15688240), (2, 7844120), (4, 3922060), (5, 3137648), (8, 1961030), (10, 1568824), (16, 980515), (20, 784412), (40, 392206), (41, 382640), (80, 196103), (82, 191320), (164, 95660), (205, 76528), (328, 47830), (410, 38264), (656, 23915), (820, 19132), (1640, 9566), (3280, 4783)]