25640960

素因数分解:

$2^{14}\times 5^1\times {\mathrm{313}}^1$

素因数の和:346

約数の個数: 60

約数和(自身を含む): 61733028

約数和(自身を除く): 36092068

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 313, 320, 512, 626, 640, 1024, 1252, 1280, 1565, 2048, 2504, 2560, 3130, 4096, 5008, 5120, 6260, 8192, 10016, 10240, 12520, 16384, 20032, 20480, 25040, 40064, 40960, 50080, 80128, 81920, 100160, 160256, 200320, 320512, 400640, 641024, 801280, 1282048, 1602560, 2564096, 3205120, 5128192, 6410240, 12820480, 25640960]

約数ペア:

[(1, 25640960), (2, 12820480), (4, 6410240), (5, 5128192), (8, 3205120), (10, 2564096), (16, 1602560), (20, 1282048), (32, 801280), (40, 641024), (64, 400640), (80, 320512), (128, 200320), (160, 160256), (256, 100160), (313, 81920), (320, 80128), (512, 50080), (626, 40960), (640, 40064), (1024, 25040), (1252, 20480), (1280, 20032), (1565, 16384), (2048, 12520), (2504, 10240), (2560, 10016), (3130, 8192), (4096, 6260), (5008, 5120)]