27843920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:720

約数の個数: 80

約数和(自身を含む): 71526672

約数和(自身を除く): 43682752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 653, 656, 820, 1040, 1066, 1306, 1640, 2132, 2612, 2665, 3265, 3280, 4264, 5224, 5330, 6530, 8489, 8528, 10448, 10660, 13060, 16978, 21320, 26120, 26773, 33956, 42445, 42640, 52240, 53546, 67912, 84890, 107092, 133865, 135824, 169780, 214184, 267730, 339560, 348049, 428368, 535460, 679120, 696098, 1070920, 1392196, 1740245, 2141840, 2784392, 3480490, 5568784, 6960980, 13921960, 27843920]

約数ペア:

[(1, 27843920), (2, 13921960), (4, 6960980), (5, 5568784), (8, 3480490), (10, 2784392), (13, 2141840), (16, 1740245), (20, 1392196), (26, 1070920), (40, 696098), (41, 679120), (52, 535460), (65, 428368), (80, 348049), (82, 339560), (104, 267730), (130, 214184), (164, 169780), (205, 135824), (208, 133865), (260, 107092), (328, 84890), (410, 67912), (520, 53546), (533, 52240), (653, 42640), (656, 42445), (820, 33956), (1040, 26773), (1066, 26120), (1306, 21320), (1640, 16978), (2132, 13060), (2612, 10660), (2665, 10448), (3265, 8528), (3280, 8489), (4264, 6530), (5224, 5330)]