1640642704

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1063}}^1\times {\mathrm{5077}}^1$

素因数の和:6167

約数の個数: 40

約数和(自身を含む): 3349855040

約数和(自身を除く): 1709212336

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1063, 2126, 4252, 5077, 8504, 10154, 17008, 20197, 20308, 40394, 40616, 80788, 81232, 96463, 161576, 192926, 323152, 385852, 771704, 1543408, 5396851, 10793702, 21587404, 43174808, 86349616, 102540169, 205080338, 410160676, 820321352, 1640642704]

約数ペア:

[(1, 1640642704), (2, 820321352), (4, 410160676), (8, 205080338), (16, 102540169), (19, 86349616), (38, 43174808), (76, 21587404), (152, 10793702), (304, 5396851), (1063, 1543408), (2126, 771704), (4252, 385852), (5077, 323152), (8504, 192926), (10154, 161576), (17008, 96463), (20197, 81232), (20308, 80788), (40394, 40616)]