25111520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{3203}}^1$

素因数の和:3232

約数の個数: 72

約数和(自身を含む): 69033384

約数和(自身を除く): 43921864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3203, 3920, 6406, 7840, 12812, 16015, 22421, 25624, 32030, 44842, 51248, 64060, 89684, 102496, 112105, 128120, 156947, 179368, 224210, 256240, 313894, 358736, 448420, 512480, 627788, 717472, 784735, 896840, 1255576, 1569470, 1793680, 2511152, 3138940, 3587360, 5022304, 6277880, 12555760, 25111520]

約数ペア:

[(1, 25111520), (2, 12555760), (4, 6277880), (5, 5022304), (7, 3587360), (8, 3138940), (10, 2511152), (14, 1793680), (16, 1569470), (20, 1255576), (28, 896840), (32, 784735), (35, 717472), (40, 627788), (49, 512480), (56, 448420), (70, 358736), (80, 313894), (98, 256240), (112, 224210), (140, 179368), (160, 156947), (196, 128120), (224, 112105), (245, 102496), (280, 89684), (392, 64060), (490, 51248), (560, 44842), (784, 32030), (980, 25624), (1120, 22421), (1568, 16015), (1960, 12812), (3203, 7840), (3920, 6406)]