201206840

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{27791}}^1$

素因数の和:27983

約数の個数: 32

約数和(自身を含む): 455232960

約数和(自身を除く): 254026120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 27791, 55582, 111164, 138955, 222328, 277910, 555820, 1111640, 5030171, 10060342, 20120684, 25150855, 40241368, 50301710, 100603420, 201206840]

約数ペア:

[(1, 201206840), (2, 100603420), (4, 50301710), (5, 40241368), (8, 25150855), (10, 20120684), (20, 10060342), (40, 5030171), (181, 1111640), (362, 555820), (724, 277910), (905, 222328), (1448, 138955), (1810, 111164), (3620, 55582), (7240, 27791)]