251011840

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4783}}^1$

素因数の和:4845

約数の個数: 72

約数和(自身を含む): 616045248

約数和(自身を除く): 365033408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 640, 656, 820, 1280, 1312, 1640, 2624, 3280, 4783, 5248, 6560, 9566, 10496, 13120, 19132, 23915, 26240, 38264, 47830, 52480, 76528, 95660, 153056, 191320, 196103, 306112, 382640, 392206, 612224, 765280, 784412, 980515, 1224448, 1530560, 1568824, 1961030, 3061120, 3137648, 3922060, 6122240, 6275296, 7844120, 12550592, 15688240, 25101184, 31376480, 50202368, 62752960, 125505920, 251011840]

約数ペア:

[(1, 251011840), (2, 125505920), (4, 62752960), (5, 50202368), (8, 31376480), (10, 25101184), (16, 15688240), (20, 12550592), (32, 7844120), (40, 6275296), (41, 6122240), (64, 3922060), (80, 3137648), (82, 3061120), (128, 1961030), (160, 1568824), (164, 1530560), (205, 1224448), (256, 980515), (320, 784412), (328, 765280), (410, 612224), (640, 392206), (656, 382640), (820, 306112), (1280, 196103), (1312, 191320), (1640, 153056), (2624, 95660), (3280, 76528), (4783, 52480), (5248, 47830), (6560, 38264), (9566, 26240), (10496, 23915), (13120, 19132)]