65141420

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 140138208

約数和(自身を除く): 74996788

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 173, 268, 281, 335, 346, 562, 670, 692, 865, 1124, 1340, 1405, 1730, 2810, 3460, 5620, 11591, 18827, 23182, 37654, 46364, 48613, 57955, 75308, 94135, 97226, 115910, 188270, 194452, 231820, 243065, 376540, 486130, 972260, 3257071, 6514142, 13028284, 16285355, 32570710, 65141420]

約数ペア:

[(1, 65141420), (2, 32570710), (4, 16285355), (5, 13028284), (10, 6514142), (20, 3257071), (67, 972260), (134, 486130), (173, 376540), (268, 243065), (281, 231820), (335, 194452), (346, 188270), (562, 115910), (670, 97226), (692, 94135), (865, 75308), (1124, 57955), (1340, 48613), (1405, 46364), (1730, 37654), (2810, 23182), (3460, 18827), (5620, 11591)]