137320520

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{51239}}^1$

素因数の和:51317

約数の個数: 32

約数和(自身を含む): 313588800

約数和(自身を除く): 176268280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 51239, 102478, 204956, 256195, 409912, 512390, 1024780, 2049560, 3433013, 6866026, 13732052, 17165065, 27464104, 34330130, 68660260, 137320520]

約数ペア:

[(1, 137320520), (2, 68660260), (4, 34330130), (5, 27464104), (8, 17165065), (10, 13732052), (20, 6866026), (40, 3433013), (67, 2049560), (134, 1024780), (268, 512390), (335, 409912), (536, 256195), (670, 204956), (1340, 102478), (2680, 51239)]