188248880

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3671}}^1$

素因数の和:4325

約数の個数: 40

約数和(自身を含む): 438480864

約数和(自身を除く): 250231984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 1282, 2564, 3205, 3671, 5128, 6410, 7342, 10256, 12820, 14684, 18355, 25640, 29368, 36710, 51280, 58736, 73420, 146840, 293680, 2353111, 4706222, 9412444, 11765555, 18824888, 23531110, 37649776, 47062220, 94124440, 188248880]

約数ペア:

[(1, 188248880), (2, 94124440), (4, 47062220), (5, 37649776), (8, 23531110), (10, 18824888), (16, 11765555), (20, 9412444), (40, 4706222), (80, 2353111), (641, 293680), (1282, 146840), (2564, 73420), (3205, 58736), (3671, 51280), (5128, 36710), (6410, 29368), (7342, 25640), (10256, 18355), (12820, 14684)]