11571580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 25583040

約数和(自身を除く): 14011460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 281, 284, 290, 355, 562, 580, 710, 1124, 1405, 1420, 2059, 2810, 4118, 5620, 8149, 8236, 10295, 16298, 19951, 20590, 32596, 39902, 40745, 41180, 79804, 81490, 99755, 162980, 199510, 399020, 578579, 1157158, 2314316, 2892895, 5785790, 11571580]

約数ペア:

[(1, 11571580), (2, 5785790), (4, 2892895), (5, 2314316), (10, 1157158), (20, 578579), (29, 399020), (58, 199510), (71, 162980), (116, 99755), (142, 81490), (145, 79804), (281, 41180), (284, 40745), (290, 39902), (355, 32596), (562, 20590), (580, 19951), (710, 16298), (1124, 10295), (1405, 8236), (1420, 8149), (2059, 5620), (2810, 4118)]