40131010

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{21011}}^1$

素因数の和:21209

約数の個数: 16

約数和(自身を含む): 72617472

約数和(自身を除く): 32486462

約数列:

[1, 2, 5, 10, 191, 382, 955, 1910, 21011, 42022, 105055, 210110, 4013101, 8026202, 20065505, 40131010]

約数ペア:

[(1, 40131010), (2, 20065505), (5, 8026202), (10, 4013101), (191, 210110), (382, 105055), (955, 42022), (1910, 21011)]