210143320

素因数分解:

$2^3\times 5^1\times {\mathrm{1627}}^1\times {\mathrm{3229}}^1$

素因数の和:4867

約数の個数: 32

約数和(自身を含む): 473259600

約数和(自身を除く): 263116280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1627, 3229, 3254, 6458, 6508, 8135, 12916, 13016, 16145, 16270, 25832, 32290, 32540, 64580, 65080, 129160, 5253583, 10507166, 21014332, 26267915, 42028664, 52535830, 105071660, 210143320]

約数ペア:

[(1, 210143320), (2, 105071660), (4, 52535830), (5, 42028664), (8, 26267915), (10, 21014332), (20, 10507166), (40, 5253583), (1627, 129160), (3229, 65080), (3254, 64580), (6458, 32540), (6508, 32290), (8135, 25832), (12916, 16270), (13016, 16145)]