16888978640

素因数分解:

$2^4\times 5^1\times {\mathrm{2477}}^1\times {\mathrm{85229}}^1$

素因数の和:87719

約数の個数: 40

約数和(自身を含む): 39283188840

約数和(自身を除く): 22394210200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2477, 4954, 9908, 12385, 19816, 24770, 39632, 49540, 85229, 99080, 170458, 198160, 340916, 426145, 681832, 852290, 1363664, 1704580, 3409160, 6818320, 211112233, 422224466, 844448932, 1055561165, 1688897864, 2111122330, 3377795728, 4222244660, 8444489320, 16888978640]

約数ペア:

[(1, 16888978640), (2, 8444489320), (4, 4222244660), (5, 3377795728), (8, 2111122330), (10, 1688897864), (16, 1055561165), (20, 844448932), (40, 422224466), (80, 211112233), (2477, 6818320), (4954, 3409160), (9908, 1704580), (12385, 1363664), (19816, 852290), (24770, 681832), (39632, 426145), (49540, 340916), (85229, 198160), (99080, 170458)]