41481680

素因数分解:

$2^4\times 5^1\times {\mathrm{518521}}^1$

素因数の和:518534

約数の個数: 20

約数和(自身を含む): 96445092

約数和(自身を除く): 54963412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 518521, 1037042, 2074084, 2592605, 4148168, 5185210, 8296336, 10370420, 20740840, 41481680]

約数ペア:

[(1, 41481680), (2, 20740840), (4, 10370420), (5, 8296336), (8, 5185210), (10, 4148168), (16, 2592605), (20, 2074084), (40, 1037042), (80, 518521)]