214623440

素因数分解:

$2^4\times 5^1\times {\mathrm{2682793}}^1$

素因数の和:2682806

約数の個数: 20

約数和(自身を含む): 498999684

約数和(自身を除く): 284376244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2682793, 5365586, 10731172, 13413965, 21462344, 26827930, 42924688, 53655860, 107311720, 214623440]

約数ペア:

[(1, 214623440), (2, 107311720), (4, 53655860), (5, 42924688), (8, 26827930), (10, 21462344), (16, 13413965), (20, 10731172), (40, 5365586), (80, 2682793)]