13228280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25439}}^1$

素因数の和:25463

約数の個数: 32

約数和(自身を含む): 32054400

約数和(自身を除く): 18826120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 25439, 50878, 101756, 127195, 203512, 254390, 330707, 508780, 661414, 1017560, 1322828, 1653535, 2645656, 3307070, 6614140, 13228280]

約数ペア:

[(1, 13228280), (2, 6614140), (4, 3307070), (5, 2645656), (8, 1653535), (10, 1322828), (13, 1017560), (20, 661414), (26, 508780), (40, 330707), (52, 254390), (65, 203512), (104, 127195), (130, 101756), (260, 50878), (520, 25439)]