159012020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{256471}}^1$

素因数の和:256511

約数の個数: 24

約数和(自身を含む): 344698368

約数和(自身を除く): 185686348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 256471, 512942, 1025884, 1282355, 2564710, 5129420, 7950601, 15901202, 31802404, 39753005, 79506010, 159012020]

約数ペア:

[(1, 159012020), (2, 79506010), (4, 39753005), (5, 31802404), (10, 15901202), (20, 7950601), (31, 5129420), (62, 2564710), (124, 1282355), (155, 1025884), (310, 512942), (620, 256471)]