2587520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 6683040

約数和(自身を除く): 4095520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 311, 320, 416, 520, 622, 640, 832, 1040, 1244, 1555, 1664, 2080, 2488, 3110, 4043, 4160, 4976, 6220, 8086, 8320, 9952, 12440, 16172, 19904, 20215, 24880, 32344, 39808, 40430, 49760, 64688, 80860, 99520, 129376, 161720, 199040, 258752, 323440, 517504, 646880, 1293760, 2587520]

約数ペア:

[(1, 2587520), (2, 1293760), (4, 646880), (5, 517504), (8, 323440), (10, 258752), (13, 199040), (16, 161720), (20, 129376), (26, 99520), (32, 80860), (40, 64688), (52, 49760), (64, 40430), (65, 39808), (80, 32344), (104, 24880), (128, 20215), (130, 19904), (160, 16172), (208, 12440), (260, 9952), (311, 8320), (320, 8086), (416, 6220), (520, 4976), (622, 4160), (640, 4043), (832, 3110), (1040, 2488), (1244, 2080), (1555, 1664)]