31156480

素因数分解:

$2^8\times 5^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 75681144

約数和(自身を除く): 44524664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 241, 256, 320, 404, 482, 505, 640, 808, 964, 1010, 1205, 1280, 1616, 1928, 2020, 2410, 3232, 3856, 4040, 4820, 6464, 7712, 8080, 9640, 12928, 15424, 16160, 19280, 24341, 25856, 30848, 32320, 38560, 48682, 61696, 64640, 77120, 97364, 121705, 129280, 154240, 194728, 243410, 308480, 389456, 486820, 778912, 973640, 1557824, 1947280, 3115648, 3894560, 6231296, 7789120, 15578240, 31156480]

約数ペア:

[(1, 31156480), (2, 15578240), (4, 7789120), (5, 6231296), (8, 3894560), (10, 3115648), (16, 1947280), (20, 1557824), (32, 973640), (40, 778912), (64, 486820), (80, 389456), (101, 308480), (128, 243410), (160, 194728), (202, 154240), (241, 129280), (256, 121705), (320, 97364), (404, 77120), (482, 64640), (505, 61696), (640, 48682), (808, 38560), (964, 32320), (1010, 30848), (1205, 25856), (1280, 24341), (1616, 19280), (1928, 16160), (2020, 15424), (2410, 12928), (3232, 9640), (3856, 8080), (4040, 7712), (4820, 6464)]