28550080

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6863}}^1$

素因数の和:6893

約数の個数: 56

約数和(自身を含む): 73225152

約数和(自身を除く): 44675072

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, 6863, 13726, 27452, 34315, 54904, 68630, 89219, 109808, 137260, 178438, 219616, 274520, 356876, 439232, 446095, 549040, 713752, 892190, 1098080, 1427504, 1784380, 2196160, 2855008, 3568760, 5710016, 7137520, 14275040, 28550080]

約数ペア:

[(1, 28550080), (2, 14275040), (4, 7137520), (5, 5710016), (8, 3568760), (10, 2855008), (13, 2196160), (16, 1784380), (20, 1427504), (26, 1098080), (32, 892190), (40, 713752), (52, 549040), (64, 446095), (65, 439232), (80, 356876), (104, 274520), (130, 219616), (160, 178438), (208, 137260), (260, 109808), (320, 89219), (416, 68630), (520, 54904), (832, 34315), (1040, 27452), (2080, 13726), (4160, 6863)]