25214420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2339}}^1$

素因数の和:2373

約数の個数: 72

約数和(自身を含む): 67223520

約数和(自身を除く): 42009100

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2339, 2695, 4678, 5390, 9356, 10780, 11695, 16373, 23390, 25729, 32746, 46780, 51458, 65492, 81865, 102916, 114611, 128645, 163730, 180103, 229222, 257290, 327460, 360206, 458444, 514580, 573055, 720412, 900515, 1146110, 1260721, 1801030, 2292220, 2521442, 3602060, 5042884, 6303605, 12607210, 25214420]

約数ペア:

[(1, 25214420), (2, 12607210), (4, 6303605), (5, 5042884), (7, 3602060), (10, 2521442), (11, 2292220), (14, 1801030), (20, 1260721), (22, 1146110), (28, 900515), (35, 720412), (44, 573055), (49, 514580), (55, 458444), (70, 360206), (77, 327460), (98, 257290), (110, 229222), (140, 180103), (154, 163730), (196, 128645), (220, 114611), (245, 102916), (308, 81865), (385, 65492), (490, 51458), (539, 46780), (770, 32746), (980, 25729), (1078, 23390), (1540, 16373), (2156, 11695), (2339, 10780), (2695, 9356), (4678, 5390)]