25104640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1783}}^1$

素因数の和:1815

約数の個数: 72

約数和(自身を含む): 65636928

約数和(自身を除く): 40532288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 1783, 2816, 3520, 3566, 7040, 7132, 8915, 14080, 14264, 17830, 19613, 28528, 35660, 39226, 57056, 71320, 78452, 98065, 114112, 142640, 156904, 196130, 228224, 285280, 313808, 392260, 456448, 570560, 627616, 784520, 1141120, 1255232, 1569040, 2282240, 2510464, 3138080, 5020928, 6276160, 12552320, 25104640]

約数ペア:

[(1, 25104640), (2, 12552320), (4, 6276160), (5, 5020928), (8, 3138080), (10, 2510464), (11, 2282240), (16, 1569040), (20, 1255232), (22, 1141120), (32, 784520), (40, 627616), (44, 570560), (55, 456448), (64, 392260), (80, 313808), (88, 285280), (110, 228224), (128, 196130), (160, 156904), (176, 142640), (220, 114112), (256, 98065), (320, 78452), (352, 71320), (440, 57056), (640, 39226), (704, 35660), (880, 28528), (1280, 19613), (1408, 17830), (1760, 14264), (1783, 14080), (2816, 8915), (3520, 7132), (3566, 7040)]