1238804920

素因数分解:

$2^3\times 5^1\times {\mathrm{8101}}^1\times {\mathrm{3823}}^1$

素因数の和:11935

約数の個数: 32

約数和(自身を含む): 2788384320

約数和(自身を除く): 1549579400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3823, 7646, 8101, 15292, 16202, 19115, 30584, 32404, 38230, 40505, 64808, 76460, 81010, 152920, 162020, 324040, 30970123, 61940246, 123880492, 154850615, 247760984, 309701230, 619402460, 1238804920]

約数ペア:

[(1, 1238804920), (2, 619402460), (4, 309701230), (5, 247760984), (8, 154850615), (10, 123880492), (20, 61940246), (40, 30970123), (3823, 324040), (7646, 162020), (8101, 152920), (15292, 81010), (16202, 76460), (19115, 64808), (30584, 40505), (32404, 38230)]