40408390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8543}}^1$

素因数の和:8604

約数の個数: 32

約数和(自身を含む): 81202176

約数和(自身を除く): 40793786

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 8543, 17086, 42715, 85430, 93973, 187946, 367349, 469865, 734698, 939730, 1836745, 3673490, 4040839, 8081678, 20204195, 40408390]

約数ペア:

[(1, 40408390), (2, 20204195), (5, 8081678), (10, 4040839), (11, 3673490), (22, 1836745), (43, 939730), (55, 734698), (86, 469865), (110, 367349), (215, 187946), (430, 93973), (473, 85430), (946, 42715), (2365, 17086), (4730, 8543)]