28414360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1031}}^1$

素因数の和:1108

約数の個数: 64

約数和(自身を含む): 70217280

約数和(自身を除く): 41802920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1031, 1060, 1378, 2062, 2120, 2756, 3445, 4124, 5155, 5512, 6890, 8248, 10310, 13403, 13780, 20620, 26806, 27560, 41240, 53612, 54643, 67015, 107224, 109286, 134030, 218572, 268060, 273215, 437144, 536120, 546430, 710359, 1092860, 1420718, 2185720, 2841436, 3551795, 5682872, 7103590, 14207180, 28414360]

約数ペア:

[(1, 28414360), (2, 14207180), (4, 7103590), (5, 5682872), (8, 3551795), (10, 2841436), (13, 2185720), (20, 1420718), (26, 1092860), (40, 710359), (52, 546430), (53, 536120), (65, 437144), (104, 273215), (106, 268060), (130, 218572), (212, 134030), (260, 109286), (265, 107224), (424, 67015), (520, 54643), (530, 53612), (689, 41240), (1031, 27560), (1060, 26806), (1378, 20620), (2062, 13780), (2120, 13403), (2756, 10310), (3445, 8248), (4124, 6890), (5155, 5512)]