203840320

素因数分解:

$2^6\times 5^1\times {\mathrm{637001}}^1$

素因数の和:637018

約数の個数: 28

約数和(自身を含む): 485395524

約数和(自身を除く): 281555204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 637001, 1274002, 2548004, 3185005, 5096008, 6370010, 10192016, 12740020, 20384032, 25480040, 40768064, 50960080, 101920160, 203840320]

約数ペア:

[(1, 203840320), (2, 101920160), (4, 50960080), (5, 40768064), (8, 25480040), (10, 20384032), (16, 12740020), (20, 10192016), (32, 6370010), (40, 5096008), (64, 3185005), (80, 2548004), (160, 1274002), (320, 637001)]