23290840

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 31141160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 71, 118, 139, 142, 236, 278, 284, 295, 355, 472, 556, 568, 590, 695, 710, 1112, 1180, 1390, 1420, 2360, 2780, 2840, 4189, 5560, 8201, 8378, 9869, 16402, 16756, 19738, 20945, 32804, 33512, 39476, 41005, 41890, 49345, 65608, 78952, 82010, 83780, 98690, 164020, 167560, 197380, 328040, 394760, 582271, 1164542, 2329084, 2911355, 4658168, 5822710, 11645420, 23290840]

約数ペア:

[(1, 23290840), (2, 11645420), (4, 5822710), (5, 4658168), (8, 2911355), (10, 2329084), (20, 1164542), (40, 582271), (59, 394760), (71, 328040), (118, 197380), (139, 167560), (142, 164020), (236, 98690), (278, 83780), (284, 82010), (295, 78952), (355, 65608), (472, 49345), (556, 41890), (568, 41005), (590, 39476), (695, 33512), (710, 32804), (1112, 20945), (1180, 19738), (1390, 16756), (1420, 16402), (2360, 9869), (2780, 8378), (2840, 8201), (4189, 5560)]