201979640

素因数分解:

$2^3\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{4603}}^1$

素因数の和:5711

約数の個数: 32

約数和(自身を含む): 454967280

約数和(自身を除く): 252987640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1097, 2194, 4388, 4603, 5485, 8776, 9206, 10970, 18412, 21940, 23015, 36824, 43880, 46030, 92060, 184120, 5049491, 10098982, 20197964, 25247455, 40395928, 50494910, 100989820, 201979640]

約数ペア:

[(1, 201979640), (2, 100989820), (4, 50494910), (5, 40395928), (8, 25247455), (10, 20197964), (20, 10098982), (40, 5049491), (1097, 184120), (2194, 92060), (4388, 46030), (4603, 43880), (5485, 36824), (8776, 23015), (9206, 21940), (10970, 18412)]