203472040

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{19793}}^1$

素因数の和:20061

約数の個数: 32

約数和(自身を含む): 459616680

約数和(自身を除く): 256144640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 19793, 39586, 79172, 98965, 158344, 197930, 395860, 791720, 5086801, 10173602, 20347204, 25434005, 40694408, 50868010, 101736020, 203472040]

約数ペア:

[(1, 203472040), (2, 101736020), (4, 50868010), (5, 40694408), (8, 25434005), (10, 20347204), (20, 10173602), (40, 5086801), (257, 791720), (514, 395860), (1028, 197930), (1285, 158344), (2056, 98965), (2570, 79172), (5140, 39586), (10280, 19793)]