101644120

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{12899}}^1$

素因数の和:13107

約数の個数: 32

約数和(自身を含む): 229878000

約数和(自身を除く): 128233880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 12899, 25798, 51596, 64495, 103192, 128990, 257980, 515960, 2541103, 5082206, 10164412, 12705515, 20328824, 25411030, 50822060, 101644120]

約数ペア:

[(1, 101644120), (2, 50822060), (4, 25411030), (5, 20328824), (8, 12705515), (10, 10164412), (20, 5082206), (40, 2541103), (197, 515960), (394, 257980), (788, 128990), (985, 103192), (1576, 64495), (1970, 51596), (3940, 25798), (7880, 12899)]