25496240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4139}}^1$

素因数の和:4170

約数の個数: 80

約数和(自身を含む): 73923840

約数和(自身を除く): 48427600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 4139, 6160, 8278, 16556, 20695, 28973, 33112, 41390, 45529, 57946, 66224, 82780, 91058, 115892, 144865, 165560, 182116, 227645, 231784, 289730, 318703, 331120, 364232, 455290, 463568, 579460, 637406, 728464, 910580, 1158920, 1274812, 1593515, 1821160, 2317840, 2549624, 3187030, 3642320, 5099248, 6374060, 12748120, 25496240]

約数ペア:

[(1, 25496240), (2, 12748120), (4, 6374060), (5, 5099248), (7, 3642320), (8, 3187030), (10, 2549624), (11, 2317840), (14, 1821160), (16, 1593515), (20, 1274812), (22, 1158920), (28, 910580), (35, 728464), (40, 637406), (44, 579460), (55, 463568), (56, 455290), (70, 364232), (77, 331120), (80, 318703), (88, 289730), (110, 231784), (112, 227645), (140, 182116), (154, 165560), (176, 144865), (220, 115892), (280, 91058), (308, 82780), (385, 66224), (440, 57946), (560, 45529), (616, 41390), (770, 33112), (880, 28973), (1232, 20695), (1540, 16556), (3080, 8278), (4139, 6160)]