439250440

素因数分解:

$2^3\times 5^1\times {\mathrm{2113}}^1\times {\mathrm{5197}}^1$

素因数の和:7321

約数の個数: 32

約数和(自身を含む): 988971480

約数和(自身を除く): 549721040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2113, 4226, 5197, 8452, 10394, 10565, 16904, 20788, 21130, 25985, 41576, 42260, 51970, 84520, 103940, 207880, 10981261, 21962522, 43925044, 54906305, 87850088, 109812610, 219625220, 439250440]

約数ペア:

[(1, 439250440), (2, 219625220), (4, 109812610), (5, 87850088), (8, 54906305), (10, 43925044), (20, 21962522), (40, 10981261), (2113, 207880), (4226, 103940), (5197, 84520), (8452, 51970), (10394, 42260), (10565, 41576), (16904, 25985), (20788, 21130)]