328040960

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9857}}^1$

素因数の和:9893

約数の個数: 80

約数和(自身を含む): 847117656

約数和(自身を除く): 519076696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2560, 3328, 4160, 6656, 8320, 9857, 16640, 19714, 33280, 39428, 49285, 78856, 98570, 128141, 157712, 197140, 256282, 315424, 394280, 512564, 630848, 640705, 788560, 1025128, 1261696, 1281410, 1577120, 2050256, 2523392, 2562820, 3154240, 4100512, 5046784, 5125640, 6308480, 8201024, 10251280, 12616960, 16402048, 20502560, 25233920, 32804096, 41005120, 65608192, 82010240, 164020480, 328040960]

約数ペア:

[(1, 328040960), (2, 164020480), (4, 82010240), (5, 65608192), (8, 41005120), (10, 32804096), (13, 25233920), (16, 20502560), (20, 16402048), (26, 12616960), (32, 10251280), (40, 8201024), (52, 6308480), (64, 5125640), (65, 5046784), (80, 4100512), (104, 3154240), (128, 2562820), (130, 2523392), (160, 2050256), (208, 1577120), (256, 1281410), (260, 1261696), (320, 1025128), (416, 788560), (512, 640705), (520, 630848), (640, 512564), (832, 394280), (1040, 315424), (1280, 256282), (1664, 197140), (2080, 157712), (2560, 128141), (3328, 98570), (4160, 78856), (6656, 49285), (8320, 39428), (9857, 33280), (16640, 19714)]