260872960

素因数分解:

$2^8\times 5^1\times {\mathrm{203807}}^1$

素因数の和:203828

約数の個数: 36

約数和(自身を含む): 624875328

約数和(自身を除く): 364002368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 203807, 407614, 815228, 1019035, 1630456, 2038070, 3260912, 4076140, 6521824, 8152280, 13043648, 16304560, 26087296, 32609120, 52174592, 65218240, 130436480, 260872960]

約数ペア:

[(1, 260872960), (2, 130436480), (4, 65218240), (5, 52174592), (8, 32609120), (10, 26087296), (16, 16304560), (20, 13043648), (32, 8152280), (40, 6521824), (64, 4076140), (80, 3260912), (128, 2038070), (160, 1630456), (256, 1019035), (320, 815228), (640, 407614), (1280, 203807)]