39627440

素因数分解:

$2^4\times 5^1\times {\mathrm{495343}}^1$

素因数の和:495356

約数の個数: 20

約数和(自身を含む): 92133984

約数和(自身を除く): 52506544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 495343, 990686, 1981372, 2476715, 3962744, 4953430, 7925488, 9906860, 19813720, 39627440]

約数ペア:

[(1, 39627440), (2, 19813720), (4, 9906860), (5, 7925488), (8, 4953430), (10, 3962744), (16, 2476715), (20, 1981372), (40, 990686), (80, 495343)]