16848920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 41796000

約数和(自身を除く): 24947080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 149, 220, 257, 298, 440, 514, 596, 745, 1028, 1192, 1285, 1490, 1639, 2056, 2570, 2827, 2980, 3278, 5140, 5654, 5960, 6556, 8195, 10280, 11308, 13112, 14135, 16390, 22616, 28270, 32780, 38293, 56540, 65560, 76586, 113080, 153172, 191465, 306344, 382930, 421223, 765860, 842446, 1531720, 1684892, 2106115, 3369784, 4212230, 8424460, 16848920]

約数ペア:

[(1, 16848920), (2, 8424460), (4, 4212230), (5, 3369784), (8, 2106115), (10, 1684892), (11, 1531720), (20, 842446), (22, 765860), (40, 421223), (44, 382930), (55, 306344), (88, 191465), (110, 153172), (149, 113080), (220, 76586), (257, 65560), (298, 56540), (440, 38293), (514, 32780), (596, 28270), (745, 22616), (1028, 16390), (1192, 14135), (1285, 13112), (1490, 11308), (1639, 10280), (2056, 8195), (2570, 6556), (2827, 5960), (2980, 5654), (3278, 5140)]