40156980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{669283}}^1$

素因数の和:669295

約数の個数: 24

約数和(自身を含む): 112439712

約数和(自身を除く): 72282732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 669283, 1338566, 2007849, 2677132, 3346415, 4015698, 6692830, 8031396, 10039245, 13385660, 20078490, 40156980]

約数ペア:

[(1, 40156980), (2, 20078490), (3, 13385660), (4, 10039245), (5, 8031396), (6, 6692830), (10, 4015698), (12, 3346415), (15, 2677132), (20, 2007849), (30, 1338566), (60, 669283)]