28445820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36469}}^1$

素因数の和:36494

約数の個数: 48

約数和(自身を含む): 85777440

約数和(自身を除く): 57331620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 36469, 72938, 109407, 145876, 182345, 218814, 364690, 437628, 474097, 547035, 729380, 948194, 1094070, 1422291, 1896388, 2188140, 2370485, 2844582, 4740970, 5689164, 7111455, 9481940, 14222910, 28445820]

約数ペア:

[(1, 28445820), (2, 14222910), (3, 9481940), (4, 7111455), (5, 5689164), (6, 4740970), (10, 2844582), (12, 2370485), (13, 2188140), (15, 1896388), (20, 1422291), (26, 1094070), (30, 948194), (39, 729380), (52, 547035), (60, 474097), (65, 437628), (78, 364690), (130, 218814), (156, 182345), (195, 145876), (260, 109407), (390, 72938), (780, 36469)]