12708280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24439}}^1$

素因数の和:24463

約数の個数: 32

約数和(自身を含む): 30794400

約数和(自身を除く): 18086120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 24439, 48878, 97756, 122195, 195512, 244390, 317707, 488780, 635414, 977560, 1270828, 1588535, 2541656, 3177070, 6354140, 12708280]

約数ペア:

[(1, 12708280), (2, 6354140), (4, 3177070), (5, 2541656), (8, 1588535), (10, 1270828), (13, 977560), (20, 635414), (26, 488780), (40, 317707), (52, 244390), (65, 195512), (104, 122195), (130, 97756), (260, 48878), (520, 24439)]