2660996840

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{367541}}^1$

素因数の和:367733

約数の個数: 32

約数和(自身を含む): 6020337960

約数和(自身を除く): 3359341120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 367541, 735082, 1470164, 1837705, 2940328, 3675410, 7350820, 14701640, 66524921, 133049842, 266099684, 332624605, 532199368, 665249210, 1330498420, 2660996840]

約数ペア:

[(1, 2660996840), (2, 1330498420), (4, 665249210), (5, 532199368), (8, 332624605), (10, 266099684), (20, 133049842), (40, 66524921), (181, 14701640), (362, 7350820), (724, 3675410), (905, 2940328), (1448, 1837705), (1810, 1470164), (3620, 735082), (7240, 367541)]