236880020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{911077}}^1$

素因数の和:911099

約数の個数: 24

約数和(自身を含む): 535713864

約数和(自身を除く): 298833844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 911077, 1822154, 3644308, 4555385, 9110770, 11844001, 18221540, 23688002, 47376004, 59220005, 118440010, 236880020]

約数ペア:

[(1, 236880020), (2, 118440010), (4, 59220005), (5, 47376004), (10, 23688002), (13, 18221540), (20, 11844001), (26, 9110770), (52, 4555385), (65, 3644308), (130, 1822154), (260, 911077)]