55480880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7621}}^1$

素因数の和:7654

約数の個数: 80

約数和(自身を含む): 158781504

約数和(自身を除く): 103300624

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 7621, 15242, 30484, 38105, 53347, 60968, 76210, 99073, 106694, 121936, 152420, 198146, 213388, 266735, 304840, 396292, 426776, 495365, 533470, 609680, 693511, 792584, 853552, 990730, 1066940, 1387022, 1585168, 1981460, 2133880, 2774044, 3467555, 3962920, 4267760, 5548088, 6935110, 7925840, 11096176, 13870220, 27740440, 55480880]

約数ペア:

[(1, 55480880), (2, 27740440), (4, 13870220), (5, 11096176), (7, 7925840), (8, 6935110), (10, 5548088), (13, 4267760), (14, 3962920), (16, 3467555), (20, 2774044), (26, 2133880), (28, 1981460), (35, 1585168), (40, 1387022), (52, 1066940), (56, 990730), (65, 853552), (70, 792584), (80, 693511), (91, 609680), (104, 533470), (112, 495365), (130, 426776), (140, 396292), (182, 304840), (208, 266735), (260, 213388), (280, 198146), (364, 152420), (455, 121936), (520, 106694), (560, 99073), (728, 76210), (910, 60968), (1040, 53347), (1456, 38105), (1820, 30484), (3640, 15242), (7280, 7621)]