56401280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6779}}^1$

素因数の和:6811

約数の個数: 64

約数和(自身を含む): 145227600

約数和(自身を除く): 88826320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 6779, 8320, 13558, 27116, 33895, 54232, 67790, 88127, 108464, 135580, 176254, 216928, 271160, 352508, 433856, 440635, 542320, 705016, 867712, 881270, 1084640, 1410032, 1762540, 2169280, 2820064, 3525080, 4338560, 5640128, 7050160, 11280256, 14100320, 28200640, 56401280]

約数ペア:

[(1, 56401280), (2, 28200640), (4, 14100320), (5, 11280256), (8, 7050160), (10, 5640128), (13, 4338560), (16, 3525080), (20, 2820064), (26, 2169280), (32, 1762540), (40, 1410032), (52, 1084640), (64, 881270), (65, 867712), (80, 705016), (104, 542320), (128, 440635), (130, 433856), (160, 352508), (208, 271160), (260, 216928), (320, 176254), (416, 135580), (520, 108464), (640, 88127), (832, 67790), (1040, 54232), (1664, 33895), (2080, 27116), (4160, 13558), (6779, 8320)]