25570880

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1949}}^1$

素因数の和:2007

約数の個数: 56

約数和(自身を含む): 62407800

約数和(自身を除く): 36836920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 1949, 2624, 3280, 3898, 6560, 7796, 9745, 13120, 15592, 19490, 31184, 38980, 62368, 77960, 79909, 124736, 155920, 159818, 311840, 319636, 399545, 623680, 639272, 799090, 1278544, 1598180, 2557088, 3196360, 5114176, 6392720, 12785440, 25570880]

約数ペア:

[(1, 25570880), (2, 12785440), (4, 6392720), (5, 5114176), (8, 3196360), (10, 2557088), (16, 1598180), (20, 1278544), (32, 799090), (40, 639272), (41, 623680), (64, 399545), (80, 319636), (82, 311840), (160, 159818), (164, 155920), (205, 124736), (320, 79909), (328, 77960), (410, 62368), (656, 38980), (820, 31184), (1312, 19490), (1640, 15592), (1949, 13120), (2624, 9745), (3280, 7796), (3898, 6560)]