40508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:77

約数の個数: 24

約数和(自身を含む): 82320

約数和(自身を除く): 41812

約数列:

[1, 2, 4, 13, 19, 26, 38, 41, 52, 76, 82, 164, 247, 494, 533, 779, 988, 1066, 1558, 2132, 3116, 10127, 20254, 40508]

約数ペア:

[(1, 40508), (2, 20254), (4, 10127), (13, 3116), (19, 2132), (26, 1558), (38, 1066), (41, 988), (52, 779), (76, 533), (82, 494), (164, 247)]