39740810

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{20173}}^1$

素因数の和:20377

約数の個数: 16

約数和(自身を含む): 71900136

約数和(自身を除く): 32159326

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 20173, 40346, 100865, 201730, 3974081, 7948162, 19870405, 39740810]

約数ペア:

[(1, 39740810), (2, 19870405), (5, 7948162), (10, 3974081), (197, 201730), (394, 100865), (985, 40346), (1970, 20173)]