100272020

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{10211}}^1$

素因数の和:10711

約数の個数: 24

約数和(自身を含む): 211020768

約数和(自身を除く): 110748748

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 10211, 20422, 40844, 51055, 102110, 204220, 5013601, 10027202, 20054404, 25068005, 50136010, 100272020]

約数ペア:

[(1, 100272020), (2, 50136010), (4, 25068005), (5, 20054404), (10, 10027202), (20, 5013601), (491, 204220), (982, 102110), (1964, 51055), (2455, 40844), (4910, 20422), (9820, 10211)]