128466325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 181988352

約数和(自身を除く): 53522027

約数列:

[1, 5, 13, 25, 31, 41, 65, 155, 205, 311, 325, 403, 533, 775, 1025, 1271, 1555, 2015, 2665, 4043, 6355, 7775, 9641, 10075, 12751, 13325, 16523, 20215, 31775, 48205, 63755, 82615, 101075, 125333, 165763, 241025, 318775, 395281, 413075, 626665, 828815, 1976405, 3133325, 4144075, 5138653, 9882025, 25693265, 128466325]

約数ペア:

[(1, 128466325), (5, 25693265), (13, 9882025), (25, 5138653), (31, 4144075), (41, 3133325), (65, 1976405), (155, 828815), (205, 626665), (311, 413075), (325, 395281), (403, 318775), (533, 241025), (775, 165763), (1025, 125333), (1271, 101075), (1555, 82615), (2015, 63755), (2665, 48205), (4043, 31775), (6355, 20215), (7775, 16523), (9641, 13325), (10075, 12751)]