40345720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{19031}}^1$

素因数の和:19095

約数の個数: 32

約数和(自身を含む): 92495520

約数和(自身を除く): 52149800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 19031, 38062, 76124, 95155, 152248, 190310, 380620, 761240, 1008643, 2017286, 4034572, 5043215, 8069144, 10086430, 20172860, 40345720]

約数ペア:

[(1, 40345720), (2, 20172860), (4, 10086430), (5, 8069144), (8, 5043215), (10, 4034572), (20, 2017286), (40, 1008643), (53, 761240), (106, 380620), (212, 190310), (265, 152248), (424, 95155), (530, 76124), (1060, 38062), (2120, 19031)]