16509680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:354

約数の個数: 80

約数和(自身を含む): 42613344

約数和(自身を除く): 26103664

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 73, 80, 88, 110, 146, 176, 220, 257, 292, 365, 440, 514, 584, 730, 803, 880, 1028, 1168, 1285, 1460, 1606, 2056, 2570, 2827, 2920, 3212, 4015, 4112, 5140, 5654, 5840, 6424, 8030, 10280, 11308, 12848, 14135, 16060, 18761, 20560, 22616, 28270, 32120, 37522, 45232, 56540, 64240, 75044, 93805, 113080, 150088, 187610, 206371, 226160, 300176, 375220, 412742, 750440, 825484, 1031855, 1500880, 1650968, 2063710, 3301936, 4127420, 8254840, 16509680]

約数ペア:

[(1, 16509680), (2, 8254840), (4, 4127420), (5, 3301936), (8, 2063710), (10, 1650968), (11, 1500880), (16, 1031855), (20, 825484), (22, 750440), (40, 412742), (44, 375220), (55, 300176), (73, 226160), (80, 206371), (88, 187610), (110, 150088), (146, 113080), (176, 93805), (220, 75044), (257, 64240), (292, 56540), (365, 45232), (440, 37522), (514, 32120), (584, 28270), (730, 22616), (803, 20560), (880, 18761), (1028, 16060), (1168, 14135), (1285, 12848), (1460, 11308), (1606, 10280), (2056, 8030), (2570, 6424), (2827, 5840), (2920, 5654), (3212, 5140), (4015, 4112)]