2607440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2963}}^1$

素因数の和:2987

約数の個数: 40

約数和(自身を含む): 6615648

約数和(自身を除く): 4008208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2963, 5926, 11852, 14815, 23704, 29630, 32593, 47408, 59260, 65186, 118520, 130372, 162965, 237040, 260744, 325930, 521488, 651860, 1303720, 2607440]

約数ペア:

[(1, 2607440), (2, 1303720), (4, 651860), (5, 521488), (8, 325930), (10, 260744), (11, 237040), (16, 162965), (20, 130372), (22, 118520), (40, 65186), (44, 59260), (55, 47408), (80, 32593), (88, 29630), (110, 23704), (176, 14815), (220, 11852), (440, 5926), (880, 2963)]