12243920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 31320912

約数和(自身を除く): 19076992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 193, 208, 244, 260, 305, 386, 488, 520, 610, 772, 793, 965, 976, 1040, 1220, 1544, 1586, 1930, 2440, 2509, 3088, 3172, 3860, 3965, 4880, 5018, 6344, 7720, 7930, 10036, 11773, 12545, 12688, 15440, 15860, 20072, 23546, 25090, 31720, 40144, 47092, 50180, 58865, 63440, 94184, 100360, 117730, 153049, 188368, 200720, 235460, 306098, 470920, 612196, 765245, 941840, 1224392, 1530490, 2448784, 3060980, 6121960, 12243920]

約数ペア:

[(1, 12243920), (2, 6121960), (4, 3060980), (5, 2448784), (8, 1530490), (10, 1224392), (13, 941840), (16, 765245), (20, 612196), (26, 470920), (40, 306098), (52, 235460), (61, 200720), (65, 188368), (80, 153049), (104, 117730), (122, 100360), (130, 94184), (193, 63440), (208, 58865), (244, 50180), (260, 47092), (305, 40144), (386, 31720), (488, 25090), (520, 23546), (610, 20072), (772, 15860), (793, 15440), (965, 12688), (976, 12545), (1040, 11773), (1220, 10036), (1544, 7930), (1586, 7720), (1930, 6344), (2440, 5018), (2509, 4880), (3088, 3965), (3172, 3860)]