180087640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{84947}}^1$

素因数の和:85011

約数の個数: 32

約数和(自身を含む): 412847280

約数和(自身を除く): 232759640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 84947, 169894, 339788, 424735, 679576, 849470, 1698940, 3397880, 4502191, 9004382, 18008764, 22510955, 36017528, 45021910, 90043820, 180087640]

約数ペア:

[(1, 180087640), (2, 90043820), (4, 45021910), (5, 36017528), (8, 22510955), (10, 18008764), (20, 9004382), (40, 4502191), (53, 3397880), (106, 1698940), (212, 849470), (265, 679576), (424, 424735), (530, 339788), (1060, 169894), (2120, 84947)]