25897980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{661}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 72735264

約数和(自身を除く): 46837284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 653, 661, 1306, 1322, 1959, 1983, 2612, 2644, 3265, 3305, 3918, 3966, 6530, 6610, 7836, 7932, 9795, 9915, 13060, 13220, 19590, 19830, 39180, 39660, 431633, 863266, 1294899, 1726532, 2158165, 2589798, 4316330, 5179596, 6474495, 8632660, 12948990, 25897980]

約数ペア:

[(1, 25897980), (2, 12948990), (3, 8632660), (4, 6474495), (5, 5179596), (6, 4316330), (10, 2589798), (12, 2158165), (15, 1726532), (20, 1294899), (30, 863266), (60, 431633), (653, 39660), (661, 39180), (1306, 19830), (1322, 19590), (1959, 13220), (1983, 13060), (2612, 9915), (2644, 9795), (3265, 7932), (3305, 7836), (3918, 6610), (3966, 6530)]