79155920

素因数分解:

$2^4\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1019}}^1$

素因数の和:2003

約数の個数: 40

約数和(自身を含む): 184407840

約数和(自身を除く): 105251920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 971, 1019, 1942, 2038, 3884, 4076, 4855, 5095, 7768, 8152, 9710, 10190, 15536, 16304, 19420, 20380, 38840, 40760, 77680, 81520, 989449, 1978898, 3957796, 4947245, 7915592, 9894490, 15831184, 19788980, 39577960, 79155920]

約数ペア:

[(1, 79155920), (2, 39577960), (4, 19788980), (5, 15831184), (8, 9894490), (10, 7915592), (16, 4947245), (20, 3957796), (40, 1978898), (80, 989449), (971, 81520), (1019, 77680), (1942, 40760), (2038, 38840), (3884, 20380), (4076, 19420), (4855, 16304), (5095, 15536), (7768, 10190), (8152, 9710)]