28965820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3011}}^1$

素因数の和:3070

約数の個数: 48

約数和(自身を含む): 67300128

約数和(自身を除く): 38334308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 3011, 4810, 6022, 9620, 12044, 15055, 30110, 39143, 60220, 78286, 111407, 156572, 195715, 222814, 391430, 445628, 557035, 782860, 1114070, 1448291, 2228140, 2896582, 5793164, 7241455, 14482910, 28965820]

約数ペア:

[(1, 28965820), (2, 14482910), (4, 7241455), (5, 5793164), (10, 2896582), (13, 2228140), (20, 1448291), (26, 1114070), (37, 782860), (52, 557035), (65, 445628), (74, 391430), (130, 222814), (148, 195715), (185, 156572), (260, 111407), (370, 78286), (481, 60220), (740, 39143), (962, 30110), (1924, 15055), (2405, 12044), (3011, 9620), (4810, 6022)]