73817720

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{6521}}^1$

素因数の和:6815

約数の個数: 32

約数和(自身を含む): 166702320

約数和(自身を除く): 92884600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 6521, 11320, 13042, 26084, 32605, 52168, 65210, 130420, 260840, 1845443, 3690886, 7381772, 9227215, 14763544, 18454430, 36908860, 73817720]

約数ペア:

[(1, 73817720), (2, 36908860), (4, 18454430), (5, 14763544), (8, 9227215), (10, 7381772), (20, 3690886), (40, 1845443), (283, 260840), (566, 130420), (1132, 65210), (1415, 52168), (2264, 32605), (2830, 26084), (5660, 13042), (6521, 11320)]