40290260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{463}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 89644800

約数和(自身を除く): 49354540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 229, 380, 458, 463, 916, 926, 1145, 1852, 2290, 2315, 4351, 4580, 4630, 8702, 8797, 9260, 17404, 17594, 21755, 35188, 43510, 43985, 87020, 87970, 106027, 175940, 212054, 424108, 530135, 1060270, 2014513, 2120540, 4029026, 8058052, 10072565, 20145130, 40290260]

約数ペア:

[(1, 40290260), (2, 20145130), (4, 10072565), (5, 8058052), (10, 4029026), (19, 2120540), (20, 2014513), (38, 1060270), (76, 530135), (95, 424108), (190, 212054), (229, 175940), (380, 106027), (458, 87970), (463, 87020), (916, 43985), (926, 43510), (1145, 35188), (1852, 21755), (2290, 17594), (2315, 17404), (4351, 9260), (4580, 8797), (4630, 8702)]