42445840

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7919}}^1$

素因数の和:7999

約数の個数: 40

約数和(自身を含む): 100172160

約数和(自身を除く): 57726320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 7919, 15838, 31676, 39595, 63352, 79190, 126704, 158380, 316760, 530573, 633520, 1061146, 2122292, 2652865, 4244584, 5305730, 8489168, 10611460, 21222920, 42445840]

約数ペア:

[(1, 42445840), (2, 21222920), (4, 10611460), (5, 8489168), (8, 5305730), (10, 4244584), (16, 2652865), (20, 2122292), (40, 1061146), (67, 633520), (80, 530573), (134, 316760), (268, 158380), (335, 126704), (536, 79190), (670, 63352), (1072, 39595), (1340, 31676), (2680, 15838), (5360, 7919)]