13921960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 34609680

約数和(自身を除く): 20687720

約数列:

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

約数ペア:

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