191010920

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{8363}}^1$

素因数の和:8945

約数の個数: 32

約数和(自身を含む): 430578720

約数和(自身を除く): 239567800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 2284, 2855, 4568, 5710, 8363, 11420, 16726, 22840, 33452, 41815, 66904, 83630, 167260, 334520, 4775273, 9550546, 19101092, 23876365, 38202184, 47752730, 95505460, 191010920]

約数ペア:

[(1, 191010920), (2, 95505460), (4, 47752730), (5, 38202184), (8, 23876365), (10, 19101092), (20, 9550546), (40, 4775273), (571, 334520), (1142, 167260), (2284, 83630), (2855, 66904), (4568, 41815), (5710, 33452), (8363, 22840), (11420, 16726)]