28200640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6779}}^1$

素因数の和:6809

約数の個数: 56

約数和(自身を含む): 72329040

約数和(自身を除く): 44128400

約数列:

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

約数ペア:

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