42208520

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{2309}}^1$

素因数の和:2777

約数の個数: 32

約数和(自身を含む): 95218200

約数和(自身を除く): 53009680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 2309, 3656, 4570, 4618, 9140, 9236, 11545, 18280, 18472, 23090, 46180, 92360, 1055213, 2110426, 4220852, 5276065, 8441704, 10552130, 21104260, 42208520]

約数ペア:

[(1, 42208520), (2, 21104260), (4, 10552130), (5, 8441704), (8, 5276065), (10, 4220852), (20, 2110426), (40, 1055213), (457, 92360), (914, 46180), (1828, 23090), (2285, 18472), (2309, 18280), (3656, 11545), (4570, 9236), (4618, 9140)]