40077406

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1299

約数の個数: 16

約数和(自身を含む): 61077600

約数和(自身を除く): 21000194

約数列:

[1, 2, 101, 199, 202, 398, 997, 1994, 20099, 40198, 100697, 198403, 201394, 396806, 20038703, 40077406]

約数ペア:

[(1, 40077406), (2, 20038703), (101, 396806), (199, 201394), (202, 198403), (398, 100697), (997, 40198), (1994, 20099)]