51129040

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{9539}}^1$

素因数の和:9619

約数の個数: 40

約数和(自身を含む): 120661920

約数和(自身を除く): 69532880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 9539, 19078, 38156, 47695, 76312, 95390, 152624, 190780, 381560, 639113, 763120, 1278226, 2556452, 3195565, 5112904, 6391130, 10225808, 12782260, 25564520, 51129040]

約数ペア:

[(1, 51129040), (2, 25564520), (4, 12782260), (5, 10225808), (8, 6391130), (10, 5112904), (16, 3195565), (20, 2556452), (40, 1278226), (67, 763120), (80, 639113), (134, 381560), (268, 190780), (335, 152624), (536, 95390), (670, 76312), (1072, 47695), (1340, 38156), (2680, 19078), (5360, 9539)]